Taxon Search
  Plantae
      Streptophyta
            Zygnematophyceae
                    Zygnematales
                            Desmidiaceae
                                    Actinotaenium
                                            Actinotaenium canadense
                                            Actinotaenium capax
                                              Actinotaenium capax var. capax
                                              Actinotaenium capax var. minus
                                            Actinotaenium clevei
                                              Actinotaenium clevei var. clevei
                                              Actinotaenium clevei var. gelidum
                                            Actinotaenium cotatum
                                            Actinotaenium crassiusculum
                                            Actinotaenium cruciferum
                                              Actinotaenium cruciferum var. cruciferum
                                              Actinotaenium cruciferum var. latius
                                              Actinotaenium cruciferum var. minus
                                            Actinotaenium cucurbita
                                              Actinotaenium cucurbita var. attenuata
                                              Actinotaenium cucurbita var. cucurbita
                                              Actinotaenium cucurbita var. latius
                                            Actinotaenium cucurbitinum
                                              Actinotaenium cucurbitinum var. cucurbitinum
                                              Actinotaenium cucurbitinum var. minus
                                              Actinotaenium cucurbitinum var. minutum
                                            Actinotaenium curtum
                                                   [Penium curtum var. minuta]
                                              Actinotaenium curtum var. minus
                                            Actinotaenium diplosporum
                                              Actinotaenium diplosporum var. americanum
                                                     [Cylindrocystis americana var. americana]
                                              Actinotaenium diplosporum var. diplosporum
                                            Actinotaenium elongatum
                                            Actinotaenium inconspicuum
                                            Actinotaenium regelianum
                                            Actinotaenium rufescens
                                            Actinotaenium subglobosum
                                            Actinotaenium subtile
                                            Actinotaenium taylori
                                            Actinotaenium trachypolum
                                              Actinotaenium trachypolum var. messikommeri
                                              Actinotaenium trachypolum var. trachypolum
                                            Actinotaenium viride
                                    Arthrodesmus
                                            Arthrodesmus bifidus
                                              Arthrodesmus bifidus var. bifidus
                                              Arthrodesmus bifidus var. cruciatum
                                              Arthrodesmus bifidus var. missionwellensis
                                            Arthrodesmus bulnheimii
                                              Arthrodesmus bulnheimii var. bulnheimii
                                              Arthrodesmus bulnheimii var. subincus
                                            Arthrodesmus convergens
                                            Arthrodesmus extensus
                                              Arthrodesmus extensus var. croasdaleae
                                              Arthrodesmus extensus var. extensus
                                            Arthrodesmus fragilis
                                            Arthrodesmus incus
                                              Arthrodesmus incus var. incus
                                              Arthrodesmus incus var. indentatus
                                              Arthrodesmus incus var. malaccensis
                                              Arthrodesmus incus var. validus
                                              Arthrodesmus incus var. vulgaris
                                            Arthrodesmus mooari
                                            Arthrodesmus mucronulatus
                                            Arthrodesmus octocornis
                                              Arthrodesmus octocornis var. mamillatus
                                              Arthrodesmus octocornis var. octocornis
                                              Arthrodesmus octocornis var. tenuis
                                            Arthrodesmus phimus
                                              Arthrodesmus phimus var. occidentalis
                                              Arthrodesmus phimus var. phimus
                                            Arthrodesmus ralfsii
                                              Arthrodesmus ralfsii var. latiuscula
                                              Arthrodesmus ralfsii var. ralfsii
                                            Arthrodesmus sachlanii
                                            Arthrodesmus subulatus
                                            Arthrodesmus tenuissimus
                                            Arthrodesmus tortus
                                            Arthrodesmus triangularis
                                              Arthrodesmus triangularis var. suntriangularis
                                              Arthrodesmus triangularis var. triangularis
                                            Arthrodesmus trispinatus
                                            Arthrodesmus validus
                                              Arthrodesmus validus var. incrassatus
                                              Arthrodesmus validus var. validus
                                    Cosmarium
                                            Cosmarium abbreviatum
                                              Cosmarium abbreviatum var. abbreviatum
                                              Cosmarium abbreviatum var. planctonicum
                                            Cosmarium abruptum
                                              Cosmarium abruptum var. abruptum
                                              Cosmarium abruptum var. granulatum
                                            Cosmarium alpestre
                                            Cosmarium amoenum
                                            Cosmarium anceps
                                            Cosmarium angulare
                                              Cosmarium angulare var. angulare
                                              Cosmarium angulare var. canadense
                                            Cosmarium angulatum
                                              Cosmarium angulatum var. angulatum
                                              Cosmarium angulatum var. major
                                            Cosmarium angulosum
                                              Cosmarium angulosum var. angulosum
                                              Cosmarium angulosum var. concinnum
                                            Cosmarium anisochondrum
                                              Cosmarium anisochondrum var. anisochondrum
                                              Cosmarium anisochondrum var. geminatum
                                            Cosmarium annulatum
                                              Cosmarium annulatum var. annulatum
                                              Cosmarium annulatum var. elegans
                                            Cosmarium aphanichondrum
                                            Cosmarium arctorum
                                                   [Cosmarium arctorum var. minor]
                                            Cosmarium askenasyi
                                              Cosmarium askenasyi var. americana
                                              Cosmarium askenasyi var. askenasyi
                                            Cosmarium asphaerosporum
                                              Cosmarium asphaerosporum var. asphaerosporum
                                              Cosmarium asphaerosporum var. strigosum
                                            Cosmarium aspherosporum
                                              Cosmarium aspherosporum var. aspherosporum
                                              Cosmarium aspherosporum var. montanense
                                            Cosmarium auriculatum
                                            Cosmarium balteum
                                            Cosmarium batrytis
                                            Cosmarium bimmillatum
                                              Cosmarium bimmillatum var. bimmillatum
                                              Cosmarium bimmillatum var. evolutum
                                            Cosmarium binum
                                            Cosmarium bioculatum
                                              Cosmarium bioculatum var. bioculatum
                                              Cosmarium bioculatum var. depressum
                                              Cosmarium bioculatum var. excavatum
                                            Cosmarium bipunctatum
                                            Cosmarium bireme
                                            Cosmarium biretum
                                              Cosmarium biretum var. biretum
                                              Cosmarium biretum var. minus
                                              Cosmarium biretum var. trigibberum
                                            Cosmarium blytti
                                              Cosmarium blytti var. bipunctatum
                                              Cosmarium blytti var. blytti
                                              Cosmarium blytti var. hoffii
                                              Cosmarium blytti var. novaesylvae
                                            Cosmarium boeckii
                                            Cosmarium botrytis
                                              Cosmarium botrytis var. botrytis
                                              Cosmarium botrytis var. gemmiferum
                                              Cosmarium botrytis var. subtumidum
                                              Cosmarium botrytis var. tumidum
                                            Cosmarium braunii
                                              Cosmarium braunii var. braunii
                                              Cosmarium braunii var. major
                                            Cosmarium brebissoni
                                            Cosmarium broomei
                                            Cosmarium caelatum
                                            Cosmarium candianum
                                              Cosmarium candianum var. candianum
                                              Cosmarium candianum var. latius
                                            Cosmarium capitulum
                                            Cosmarium circulare
                                              Cosmarium circulare var. circulare
                                              Cosmarium circulare var. majus
                                            Cosmarium clepsydra
                                              Cosmarium clepsydra var. clepsydra
                                              Cosmarium clepsydra var. namum
                                            Cosmarium clevei
                                            Cosmarium commissurale
                                              Cosmarium commissurale var. commossurale
                                              Cosmarium commissurale var. crassum
                                            Cosmarium connatum
                                              Cosmarium connatum var. connatum
                                              Cosmarium connatum var. minus
                                            Cosmarium connatus
                                              Cosmarium connatus var. connatus
                                              Cosmarium connatus var. minor
                                            Cosmarium conspersum
                                              Cosmarium conspersum var. conspersum
                                              Cosmarium conspersum var. latum
                                            Cosmarium contractum
                                              Cosmarium contractum var. contractum
                                              Cosmarium contractum var. ellipsoideum
                                              Cosmarium contractum var. incrassatum
                                              Cosmarium contractum var. minutum
                                              Cosmarium contractum var. papillatum
                                            Cosmarium costatum
                                            Cosmarium crenatum
                                              Cosmarium crenatum var. bicrenatum
                                              Cosmarium crenatum var. boldtiana
                                              Cosmarium crenatum var. crenatum
                                            Cosmarium crenulatum
                                            Cosmarium cucumis
                                            Cosmarium cucurbita
                                            Cosmarium cucurbitinum
                                              Cosmarium cucurbitinum var. minor
                                            Cosmarium curtum
                                            Cosmarium cyclicum
                                              Cosmarium cyclicum var. cyclicum
                                              Cosmarium cyclicum var. nordstedtianum
                                            Cosmarium cylindricum
                                            Cosmarium cymatopleurum
                                              Cosmarium cymatopleurum var. concavum
                                              Cosmarium cymatopleurum var. cymatopleurum
                                            Cosmarium debaryi
                                            Cosmarium decedens
                                            Cosmarium dentatum
                                            Cosmarium denticulatum
                                              Cosmarium denticulatum var. denticulatum
                                              Cosmarium denticulatum var. ovule
                                            Cosmarium dentiferum
                                            Cosmarium depressum
                                              Cosmarium depressum var. achondrum
                                              Cosmarium depressum var. depressum
                                              Cosmarium depressum var. planctonicum
                                                     [Cosmarium depressum var. minor]
                                              Cosmarium depressum var. sublaeve
                                            Cosmarium difficile
                                              Cosmarium difficile var. difficile
                                              Cosmarium difficile var. rotundum
                                            Cosmarium elegantissimum
                                              Cosmarium elegantissimum var. attenuatum
                                              Cosmarium elegantissimum var. elegantissimum
                                              Cosmarium elegantissimum var. minor
                                              Cosmarium elegantissimum var. simplicus
                                            Cosmarium eloiseanum
                                            Cosmarium entochondrum
                                            Cosmarium eriense
                                            Cosmarium excavataum
                                            Cosmarium exiguum
                                            Cosmarium favum
                                            Cosmarium fontigenum
                                            Cosmarium formosulum
                                              Cosmarium formosulum var. formosulum
                                              Cosmarium formosulum var. nathorstii
                                            Cosmarium franzstonii
                                            Cosmarium furcatospermum
                                            Cosmarium galeritum
                                              Cosmarium galeritum var. galeritum
                                              Cosmarium galeritum var. subtumidum
                                            Cosmarium geometricum
                                              Cosmarium geometricum var. geometricum
                                              Cosmarium geometricum var. suecicum
                                            Cosmarium globosum
                                              Cosmarium globosum var. boldtii
                                                     [Cosmarium globosum var. minus]
                                              Cosmarium globosum var. globosum
                                            Cosmarium granatum
                                              Cosmarium granatum var. concavum
                                              Cosmarium granatum var. elongatum
                                              Cosmarium granatum var. granatum
                                              Cosmarium granatum var. subgranatum
                                            Cosmarium granulatum
                                            Cosmarium hammeri
                                              Cosmarium hammeri var. hammeri
                                              Cosmarium hammeri var. homalodermum
                                              Cosmarium hammeri var. protuberans
                                            Cosmarium holmiense
                                              Cosmarium holmiense var. holmiense
                                              Cosmarium holmiense var. integrum
                                            Cosmarium hornavanense
                                              Cosmarium hornavanense var. dubovianum
                                              Cosmarium hornavanense var. hornavanense
                                            Cosmarium humile
                                              Cosmarium humile var. humile
                                              Cosmarium humile var. striatum
                                            Cosmarium impressulum
                                              Cosmarium impressulum var. crenulatum
                                              Cosmarium impressulum var. impressulum
                                            Cosmarium inconspicuum
                                            Cosmarium intermedium
                                            Cosmarium isthmium
                                            Cosmarium kjellmani
                                              Cosmarium kjellmani var. grande
                                              Cosmarium kjellmani var. kjellmani
                                            Cosmarium laeve
                                              Cosmarium laeve var. distentum
                                              Cosmarium laeve var. laeve
                                              Cosmarium laeve var. octangularis
                                              Cosmarium laeve var. rodundatum
                                              Cosmarium laeve var. westii
                                                     [Cosmarium laeve var. septentrionale]
                                            Cosmarium lobatum
                                              Cosmarium lobatum var. ellipticum
                                              Cosmarium lobatum var. lobatum
                                            Cosmarium logoense
                                            Cosmarium lundellii
                                              Cosmarium lundellii var. ellipticum
                                              Cosmarium lundellii var. lundellii
                                            Cosmarium majae
                                            Cosmarium mamilliferum
                                            Cosmarium margaritaceum
                                              Cosmarium margaritaceum var. margaritaceum
                                              Cosmarium margaritaceum var. minor
                                              Cosmarium margaritaceum var. pseudoconspersum
                                              Cosmarium margaritaceum var. subrotundata
                                            Cosmarium margaritatum
                                            Cosmarium margaritiferum
                                            Cosmarium marginatatum
                                              Cosmarium marginatatum var. marginatatum
                                              Cosmarium marginatatum var. minor
                                            Cosmarium meneghinii
                                              Cosmarium meneghinii var. latiuscula
                                              Cosmarium meneghinii var. meneghinii
                                            Cosmarium microsphinctum
                                            Cosmarium miedrzyrzecense
                                            Cosmarium minimum
                                            Cosmarium modestum
                                            Cosmarium moniliforme
                                                   [Cosmarium moniliferum]
                                                   [Cosmarium moniliforme var. punctata]
                                              Cosmarium moniliforme var. moniliforme
                                              Cosmarium moniliforme var. subpyriforme
                                            Cosmarium monochrondrum
                                              Cosmarium monochrondrum var. monochrondrum
                                              Cosmarium monochrondrum var. rotundatum
                                            Cosmarium monomazum
                                            Cosmarium nasutum
                                              Cosmarium nasutum var. granulatum
                                              Cosmarium nasutum var. nasutum
                                            Cosmarium nitidulum
                                              Cosmarium nitidulum var. javanicum
                                              Cosmarium nitidulum var. nitidulum
                                              Cosmarium nitidulum var. pseudovalidum
                                            Cosmarium nordstedtianum
                                            Cosmarium nordstedtii
                                            Cosmarium norimbergense
                                            Cosmarium notabile
                                            Cosmarium novaesemliae
                                              Cosmarium novaesemliae var. novaesemliae
                                              Cosmarium novaesemliae var. sibiricum
                                            Cosmarium nymannianum
                                            Cosmarium obliquum
                                            Cosmarium obsoletum
                                            Cosmarium obtusatum
                                            Cosmarium obtusum
                                            Cosmarium ocellatum
                                              Cosmarium ocellatum var. incrassatum
                                              Cosmarium ocellatum var. ocellatum
                                            Cosmarium ochthodes
                                              Cosmarium ochthodes var. amoebum
                                              Cosmarium ochthodes var. ochthodes
                                            Cosmarium orbiculatum
                                              Cosmarium orbiculatum var. major
                                              Cosmarium orbiculatum var. orbiculatum
                                            Cosmarium orbiculum
                                            Cosmarium ornatum
                                            Cosmarium orthostichum
                                              Cosmarium orthostichum var. orthostichum
                                              Cosmarium orthostichum var. pumilum
                                            Cosmarium ovale
                                              Cosmarium ovale var. ovale
                                              Cosmarium ovale var. prescottii
                                            Cosmarium pachydermum
                                              Cosmarium pachydermum var. aethiopicum
                                              Cosmarium pachydermum var. complanatum
                                              Cosmarium pachydermum var. minus
                                              Cosmarium pachydermum var. pachydermum
                                            Cosmarium panamense
                                            Cosmarium perforatum
                                            Cosmarium pericymatium
                                            Cosmarium phaseolus
                                                   [Cosmarium phaseoplus]
                                              Cosmarium phaseolus var. achondrum
                                              Cosmarium phaseolus var. elevatum
                                              Cosmarium phaseolus var. phaseolus
                                            Cosmarium plicatum
                                            Cosmarium pokornyanum
                                            Cosmarium polonicum
                                            Cosmarium porrectum
                                            Cosmarium portianum
                                              Cosmarium portianum var. nephroideum
                                              Cosmarium portianum var. portianum
                                            Cosmarium praegrande
                                            Cosmarium protractum
                                            Cosmarium pseudamoenum
                                              Cosmarium pseudamoenum var. basilare
                                              Cosmarium pseudamoenum var. pseudamoenum
                                            Cosmarium pseudarctoum
                                            Cosmarium pseudatlantoideum
                                            Cosmarium pseudobroomei
                                            Cosmarium pseudoconnatum
                                              Cosmarium pseudoconnatum var. major
                                              Cosmarium pseudoconnatum var. pseudoconnatum
                                            Cosmarium pseudoexiguum
                                            Cosmarium pseudoholmii
                                            Cosmarium pseudonitidulum
                                              Cosmarium pseudonitidulum var. pseudonitidulum
                                              Cosmarium pseudonitidulum var. validum
                                            Cosmarium pseudoornatum
                                            Cosmarium pseudophyramidatum
                                              Cosmarium pseudophyramidatum var. lentiferum
                                              Cosmarium pseudophyramidatum var. pseudophyramidatum
                                            Cosmarium pseudoprotuberans
                                            Cosmarium pseudopyramidatum
                                              Cosmarium pseudopyramidatum var. pseudopyramidatum
                                              Cosmarium pseudopyramidatum var. stenonotum
                                            Cosmarium pseudoretusum
                                              Cosmarium pseudoretusum var. inaequalipellicum
                                              Cosmarium pseudoretusum var. pseudoretusum
                                            Cosmarium pseudotaxichondrum
                                              Cosmarium pseudotaxichondrum var. floridense
                                              Cosmarium pseudotaxichondrum var. foggii
                                              Cosmarium pseudotaxichondrum var. pseudotaxichondrum
                                            Cosmarium pulchellum
                                            Cosmarium punctulatum
                                              Cosmarium punctulatum var. punctulatum
                                              Cosmarium punctulatum var. subpunctulatum
                                            Cosmarium pusillum
                                            Cosmarium pycnochondrum
                                            Cosmarium pygmaeum
                                            Cosmarium pyramidatum
                                              Cosmarium pyramidatum var. borgei
                                              Cosmarium pyramidatum var. canadense
                                              Cosmarium pyramidatum var. pyramidatum
                                              Cosmarium pyramidatum var. stenonotum
                                              Cosmarium pyramidatum var. stephani
                                            Cosmarium quadratulum
                                            Cosmarium quadratum
                                            Cosmarium quadrifarium
                                              Cosmarium quadrifarium var. hexasticha
                                              Cosmarium quadrifarium var. polysticha
                                              Cosmarium quadrifarium var. quadrifarium
                                            Cosmarium quadrilobum
                                            Cosmarium quadrum
                                              Cosmarium quadrum var. minus
                                              Cosmarium quadrum var. quadrum
                                            Cosmarium quasillus
                                            Cosmarium quinarium
                                            Cosmarium radiosum
                                            Cosmarium ralfsii
                                              Cosmarium ralfsii var. montanum
                                              Cosmarium ralfsii var. ralfsii
                                            Cosmarium rectangulare
                                              Cosmarium rectangulare var. cambrense
                                              Cosmarium rectangulare var. hexagonum
                                              Cosmarium rectangulare var. rectangulare
                                            Cosmarium regnellii
                                              Cosmarium regnellii var. catenatum
                                              Cosmarium regnellii var. minimum
                                              Cosmarium regnellii var. regnellii
                                            Cosmarium regnesi
                                              Cosmarium regnesi var. montanum
                                              Cosmarium regnesi var. regnesi
                                            Cosmarium reniforme
                                              Cosmarium reniforme var. compressum
                                              Cosmarium reniforme var. reniforme
                                              Cosmarium reniforme var. seminudum
                                            Cosmarium repandum
                                            Cosmarium retusum
                                            Cosmarium schleiphackeanum
                                            Cosmarium scorbiculosum
                                            Cosmarium seelyanum
                                            Cosmarium sexangulare
                                              Cosmarium sexangulare var. minus
                                              Cosmarium sexangulare var. sexangulare
                                            Cosmarium sexnotatum
                                            Cosmarium simplicius
                                                   [Cosmarium elegantissimum var. simplicius]
                                            Cosmarium speciosum
                                              Cosmarium speciosum var. biforme
                                              Cosmarium speciosum var. rostafinskii
                                              Cosmarium speciosum var. simplex
                                              Cosmarium speciosum var. speciosum
                                            Cosmarium sphaeroideum
                                            Cosmarium sphagnicolum
                                              Cosmarium sphagnicolum var. armatum
                                              Cosmarium sphagnicolum var. sphagnicolum
                                            Cosmarium sphalerostichum
                                            Cosmarium spinosporum
                                            Cosmarium spinuliferum
                                              Cosmarium spinuliferum var. irregulare
                                              Cosmarium spinuliferum var. spinuliferum
                                            Cosmarium sportella
                                            Cosmarium stichochondrum
                                            Cosmarium subadoxum
                                              Cosmarium subadoxum var. dentatum
                                              Cosmarium subadoxum var. subadoxum
                                            Cosmarium subarctoum
                                            Cosmarium subaversum
                                            Cosmarium subbalteum
                                              Cosmarium subbalteum var. minor
                                              Cosmarium subbalteum var. subbalteum
                                            Cosmarium subcostatum
                                              Cosmarium subcostatum var. beckii
                                              Cosmarium subcostatum var. minor
                                              Cosmarium subcostatum var. subcostatum
                                            Cosmarium subcrenatum
                                            Cosmarium subcucumis
                                            Cosmarium subdanicum
                                            Cosmarium subdrepressum
                                            Cosmarium subimpressulum
                                            Cosmarium subnudiceps
                                              Cosmarium subnudiceps var. granulatum
                                              Cosmarium subnudiceps var. subnudiceps
                                              Cosmarium subnudiceps var. subraciborskii
                                            Cosmarium subochthodes
                                            Cosmarium subprotumidum
                                            Cosmarium subpulchellum
                                            Cosmarium subretusiforme
                                            Cosmarium subspeciosum
                                              Cosmarium subspeciosum var. subspeciosum
                                              Cosmarium subspeciosum var. validius
                                            Cosmarium subtumidum
                                              Cosmarium subtumidum var. klebsii
                                              Cosmarium subtumidum var. subtumidum
                                            Cosmarium succisum
                                            Cosmarium supraspeciosum
                                            Cosmarium tatricum
                                            Cosmarium taxichondriforme
                                            Cosmarium taxichondrum
                                            Cosmarium taylori
                                            Cosmarium tenue
                                            Cosmarium tetragonum
                                              Cosmarium tetragonum var. davidsonii
                                              Cosmarium tetragonum var. tetragonum
                                            Cosmarium tetraophthalmum
                                            Cosmarium tetrophthalmum
                                            Cosmarium thwaitesii
                                            Cosmarium tinctum
                                            Cosmarium trachypleurum
                                            Cosmarium transitorium
                                            Cosmarium trilobulatum
                                            Cosmarium triplicatum
                                            Cosmarium truncatellum
                                            Cosmarium tumidum
                                            Cosmarium turpinii
                                              Cosmarium turpinii var. eximium
                                              Cosmarium turpinii var. podolicum
                                              Cosmarium turpinii var. turpinii
                                            Cosmarium tyrolicum
                                                   [Cosmarium cymatopleurum var. tyrolicum]
                                            Cosmarium umbilicatum
                                            Cosmarium undulatum
                                              Cosmarium undulatum var. minutum
                                              Cosmarium undulatum var. undulatum
                                            Cosmarium ungerianum
                                            Cosmarium variolatum
                                              Cosmarium variolatum var. cataractarum
                                              Cosmarium variolatum var. variolatum
                                            Cosmarium venustum
                                              Cosmarium venustum var. excavatum
                                              Cosmarium venustum var. venustum
                                            Cosmarium vexatum
                                            Cosmarium viride
                                            Cosmarium wittrockii
                                    Desmidium
                                            Desmidium aequale
                                            Desmidium aptogonum
                                              Desmidium aptogonum var. acutius
                                              Desmidium aptogonum var. aptogonum
                                            Desmidium asymmetricum
                                            Desmidium baileyi
                                              Desmidium baileyi var. baileyi
                                              Desmidium baileyi var. indicum
                                            Desmidium baileyii
                                            Desmidium coarctatum
                                              Desmidium coarctatum var. cambricum
                                              Desmidium coarctatum var. coarctatum
                                            Desmidium cylindricum
                                            Desmidium gracileps
                                            Desmidium grevillii
                                            Desmidium gymnozygoforme
                                            Desmidium longatum
                                            Desmidium occidentale
                                            Desmidium pseudostreptonema
                                            Desmidium quadratum
                                            Desmidium swartzii
                                    Dichotomum
                                    Euastrum
                                            Euastrum abruptum
                                              Euastrum abruptum var. abruptum
                                              Euastrum abruptum var. lagoense
                                              Euastrum abruptum var. minor
                                              Euastrum abruptum var. rectangulare
                                              Euastrum abruptum var. subglaziovii
                                            Euastrum affine
                                              Euastrum affine var. affine
                                              Euastrum affine var. equilaterale
                                            Euastrum ampullaceum
                                            Euastrum ansatum
                                              Euastrum ansatum var. ansatum
                                              Euastrum ansatum var. concavum
                                              Euastrum ansatum var. dideltiforme
                                              Euastrum ansatum var. javanicum
                                              Euastrum ansatum var. lithuanicum
                                              Euastrum ansatum var. pyxidatum
                                              Euastrum ansatum var. triporum
                                            Euastrum attenuatum
                                              Euastrum attenuatum var. attenuatum
                                              Euastrum attenuatum var. lithuanicum
                                              Euastrum attenuatum var. puchellum
                                              Euastrum attenuatum var. splendns
                                            Euastrum bidentatum
                                              Euastrum bidentatum var. bidentatum
                                              Euastrum bidentatum var. speciosum
                                            Euastrum binale
                                              Euastrum binale var. binale
                                              Euastrum binale var. gutwinskii
                                              Euastrum binale var. hians
                                              Euastrum binale var. sectum
                                              Euastrum binale var. subelobatum
                                            Euastrum ciastonii
                                              Euastrum ciastonii var. apertisinuatum
                                              Euastrum ciastonii var. ciastonii
                                            Euastrum coralloides
                                            Euastrum crassangulatum
                                            Euastrum crassicolle
                                            Euastrum crassum
                                              Euastrum crassum var. crassum
                                              Euastrum crassum var. michiganense
                                              Euastrum crassum var. microcephalum
                                              Euastrum crassum var. scrobiculatum
                                              Euastrum crassum var. tumidum
                                            Euastrum cuspitatum
                                            Euastrum denticulatum
                                                   [Euastrum coralloides var. subintegrum]
                                              Euastrum denticulatum var. dangeardii
                                              Euastrum denticulatum var. denticulatum
                                            Euastrum didelta
                                              Euastrum didelta var. didelta
                                              Euastrum didelta var. everettenseiforme
                                              Euastrum didelta var. truncatum
                                            Euastrum divaricatum
                                            Euastrum dubium
                                              Euastrum dubium var. dubium
                                              Euastrum dubium var. ornatum
                                              Euastrum dubium var. scorbiculatum
                                            Euastrum elegans
                                              Euastrum elegans var. compactum
                                              Euastrum elegans var. elegans
                                              Euastrum elegans var. novaesemliae
                                              Euastrum elegans var. ornatum
                                              Euastrum elegans var. pseudoelegans
                                            Euastrum elobatum
                                                   [Euastrum binale var. elobatum]
                                              Euastrum elobatum var. elobatum
                                              Euastrum elobatum var. subelobatum
                                            Euastrum erosum
                                            Euastrum everettense
                                              Euastrum everettense var. everettense
                                            Euastrum evolutum
                                              Euastrum evolutum var. evolutum
                                              Euastrum evolutum var. graziovii
                                              Euastrum evolutum var. guianense
                                              Euastrum evolutum var. integris
                                              Euastrum evolutum var. poriferum
                                            Euastrum gayanum
                                            Euastrum gemmatum
                                              Euastrum gemmatum var. alatum
                                              Euastrum gemmatum var. gemmatum
                                            Euastrum humerosum
                                              Euastrum humerosum var. evolutum
                                              Euastrum humerosum var. humerosum
                                            Euastrum incavatum
                                              Euastrum incavatum var. floridense
                                              Euastrum incavatum var. incavatum
                                            Euastrum inerme
                                            Euastrum insigne
                                              Euastrum insigne var. insigne
                                              Euastrum insigne var. lacustre
                                              Euastrum insigne var. lobulatum
                                              Euastrum insigne var. silesiacum
                                            Euastrum insulare
                                              Euastrum insulare var. basichondrum
                                              Euastrum insulare var. insulare
                                              Euastrum insulare var. lacustre
                                              Euastrum insulare var. silesiacum
                                            Euastrum intermedium
                                              Euastrum intermedium var. intermedium
                                              Euastrum intermedium var. longicolle
                                              Euastrum intermedium var. scrobiculatum
                                            Euastrum johnsonii
                                              Euastrum johnsonii var. johnsonii
                                              Euastrum johnsonii var. nudum
                                            Euastrum lapponicum
                                            Euastrum luetkemuelleri
                                              Euastrum luetkemuelleri var. carniolicum
                                              Euastrum luetkemuelleri var. luetkemuelleri
                                            Euastrum lutkemulleri
                                            Euastrum magnificum
                                            Euastrum monotanum
                                            Euastrum montanum
                                            Euastrum obeseum
                                              Euastrum obeseum var. crassum
                                              Euastrum obeseum var. obeseum
                                            Euastrum obesum
                                            Euastrum oblongum
                                              Euastrum oblongum var. cephalophorum
                                              Euastrum oblongum var. oblongum
                                            Euastrum occidentale
                                            Euastrum oculatum
                                              Euastrum oculatum var. oculatum
                                              Euastrum oculatum var. tonsum
                                            Euastrum ohioense
                                            Euastrum pectinatum
                                              Euastrum pectinatum var. brachylobum
                                              Euastrum pectinatum var. inevolutum
                                              Euastrum pectinatum var. pectinatum
                                              Euastrum pectinatum var. reductum
                                              Euastrum pectinatum var. rostratum
                                            Euastrum pinnatum
                                              Euastrum pinnatum var. capitatum
                                              Euastrum pinnatum var. pinnatum
                                              Euastrum pinnatum var. reductum
                                              Euastrum pinnatum var. subpinnatum
                                              Euastrum pinnatum var. taylori
                                              Euastrum pinnatum var. turbinatum
                                            Euastrum prescottii
                                            Euastrum pulchellum
                                            Euastrum quadrilobum
                                            Euastrum quebecense
                                            Euastrum rostratum
                                            Euastrum sibiricum
                                              Euastrum sibiricum var. exsectum
                                              Euastrum sibiricum var. reductum
                                              Euastrum sibiricum var. sibiricum
                                            Euastrum sinuosum
                                              Euastrum sinuosum var. aboense
                                              Euastrum sinuosum var. ceylanicum
                                              Euastrum sinuosum var. dideltoides
                                              Euastrum sinuosum var. parallelum
                                              Euastrum sinuosum var. reductum
                                              Euastrum sinuosum var. scrobiculatum
                                              Euastrum sinuosum var. sinuosum
                                              Euastrum sinuosum var. subjenneri
                                            Euastrum spinulosum
                                            Euastrum subhexalobum
                                              Euastrum subhexalobum var. scrobiculatum
                                              Euastrum subhexalobum var. subhexalobum
                                            Euastrum sublobatum
                                              Euastrum sublobatum var. kriegeri
                                              Euastrum sublobatum var. sublobatum
                                            Euastrum trigibberum
                                            Euastrum turneri
                                            Euastrum unicocca
                                            Euastrum validum
                                              Euastrum validum var. glabrum
                                              Euastrum validum var. validum
                                            Euastrum ventricosum
                                              Euastrum ventricosum var. glabrum
                                              Euastrum ventricosum var. rectangulare
                                              Euastrum ventricosum var. sopchoppiense
                                              Euastrum ventricosum var. ventricosum
                                            Euastrum verrucosum
                                              Euastrum verrucosum var. alatum
                                              Euastrum verrucosum var. coarctatum
                                              Euastrum verrucosum var. planctonicum
                                              Euastrum verrucosum var. reductum
                                              Euastrum verrucosum var. rhomboideum
                                              Euastrum verrucosum var. schoenavii
                                              Euastrum verrucosum var. subalatum
                                              Euastrum verrucosum var. verrucosum
                                            Euastrum wollei
                                              Euastrum wollei var. cuspidatum
                                              Euastrum wollei var. pearlingtonense
                                              Euastrum wollei var. wollei
                                    Groenbladia
                                            Groenbladia neglecta
                                              Groenbladia neglecta var. elongata
                                              Groenbladia neglecta var. neglecta
                                            Groenbladia taylori
                                    Gymnozyga
                                            Gymnozyga brebissonii
                                    Hyalotheca
                                            Hyalotheca dissiliens
                                              Hyalotheca dissiliens var. dissiliens
                                              Hyalotheca dissiliens var. hians
                                              Hyalotheca dissiliens var. minor
                                              Hyalotheca dissiliens var. tatrica
                                            Hyalotheca dubia
                                            Hyalotheca indica
                                            Hyalotheca laevicincta
                                            Hyalotheca mucosa
                                            Hyalotheca neglecta
                                            Hyalotheca undulata
                                    Micrasterias
                                            Micrasterias abrupta
                                            Micrasterias americana
                                              Micrasterias americana var. americana
                                              Micrasterias americana var. boldtii
                                            Micrasterias apiculata
                                              Micrasterias apiculata var. apiculata
                                              Micrasterias apiculata var. fimbriata
                                            Micrasterias arcuata
                                              Micrasterias arcuata var. arcuata
                                              Micrasterias arcuata var. robusta
                                            Micrasterias brachyptera
                                            Micrasterias conferta
                                              Micrasterias conferta var. conferta
                                              Micrasterias conferta var. hamata
                                            Micrasterias crenata
                                            Micrasterias cruxmelitensis
                                              Micrasterias cruxmelitensis var. cruxmelitensis
                                              Micrasterias cruxmelitensis var. simplex
                                            Micrasterias decemdentata
                                            Micrasterias denticulata
                                              Micrasterias denticulata var. angulosa
                                                     [Micrasterias angulosa]
                                              Micrasterias denticulata var. denticulata
                                              Micrasterias denticulata var. notata
                                              Micrasterias denticulata var. taylori
                                            Micrasterias depauperata
                                              Micrasterias depauperata var. depauperata
                                              Micrasterias depauperata var. kitchelii
                                              Micrasterias depauperata var. wollei
                                            Micrasterias fimbriata
                                              Micrasterias fimbriata var. fimbriata
                                              Micrasterias fimbriata var. spinosa
                                            Micrasterias foliacea
                                              Micrasterias foliacea var. foliacea
                                              Micrasterias foliacea var. ornata
                                            Micrasterias furcata
                                            Micrasterias jenneri
                                              Micrasterias jenneri var. jenneri
                                              Micrasterias jenneri var. simplex
                                            Micrasterias johnsonii
                                              Micrasterias johnsonii var. johnsonii
                                              Micrasterias johnsonii var. ranoides
                                            Micrasterias laticeps
                                              Micrasterias laticeps var. crassa
                                              Micrasterias laticeps var. laticeps
                                            Micrasterias mahabuleshwarensis
                                              Micrasterias mahabuleshwarensis var. dichotoma
                                              Micrasterias mahabuleshwarensis var. mahabuleshwarensis
                                              Micrasterias mahabuleshwarensis var. rigens
                                              Micrasterias mahabuleshwarensis var. serrulata
                                            Micrasterias muricata
                                            Micrasterias oscitans
                                              Micrasterias oscitans var. mucronata
                                              Micrasterias oscitans var. oscitans
                                            Micrasterias papillifera
                                              Micrasterias papillifera var. glabra
                                              Micrasterias papillifera var. murrayi
                                              Micrasterias papillifera var. papillifera
                                              Micrasterias papillifera var. speciosa
                                            Micrasterias pinnatifida
                                              Micrasterias pinnatifida var. pinnatifida
                                              Micrasterias pinnatifida var. pseudoscitans
                                            Micrasterias piquata
                                            Micrasterias pseudofurcata
                                              Micrasterias pseudofurcata var. minor
                                              Micrasterias pseudofurcata var. pseudofurcata
                                            Micrasterias pygmaeum
                                              Micrasterias pygmaeum var. monile
                                              Micrasterias pygmaeum var. pygmaeum
                                            Micrasterias radians
                                            Micrasterias radiata
                                              Micrasterias radiata var. dichotoma
                                              Micrasterias radiata var. elegantior
                                              Micrasterias radiata var. gracillima
                                              Micrasterias radiata var. radiata
                                              Micrasterias radiata var. simplex
                                              Micrasterias radiata var. swainei
                                            Micrasterias radiosa
                                              Micrasterias radiosa var. extensa
                                              Micrasterias radiosa var. ornata
                                              Micrasterias radiosa var. radiosa
                                            Micrasterias rotata
                                              Micrasterias rotata var. evoluta
                                              Micrasterias rotata var. nuda
                                              Micrasterias rotata var. rotata
                                            Micrasterias sol
                                              Micrasterias sol var. murrayi
                                              Micrasterias sol var. ornata
                                              Micrasterias sol var. sol
                                            Micrasterias speciosa
                                            Micrasterias tetraptera
                                              Micrasterias tetraptera var. angulosa
                                              Micrasterias tetraptera var. tetraptera
                                            Micrasterias thomasiana
                                              Micrasterias thomasiana var. notata
                                              Micrasterias thomasiana var. pulcherrima
                                              Micrasterias thomasiana var. thomasiana
                                            Micrasterias torreyi
                                            Micrasterias triangularis
                                            Micrasterias truncata
                                              Micrasterias truncata var. convexa
                                              Micrasterias truncata var. crenata
                                              Micrasterias truncata var. mauriciana
                                              Micrasterias truncata var. neodamensis
                                              Micrasterias truncata var. pusilla
                                              Micrasterias truncata var. quadrata
                                              Micrasterias truncata var. semiradiata
                                              Micrasterias truncata var. truncata
                                              Micrasterias truncata var. uralensis
                                            Micrasterias verrucosa
                                    Octacanthium
                                            Octacanthium octocorne
                                    Phymatodocis
                                            Phymatodocis alternans
                                            Phymatodocis nordstedtiana
                                    Pleurotaenium
                                            Pleurotaenium baculoides
                                            Pleurotaenium constrictum
                                            Pleurotaenium coronatum
                                            Pleurotaenium ehrenbergii
                                              Pleurotaenium ehrenbergii var. attenuatum
                                              Pleurotaenium ehrenbergii var. ehrenbergii
                                              Pleurotaenium ehrenbergii var. undulatum
                                            Pleurotaenium eugeneum
                                              Pleurotaenium eugeneum var. capense
                                              Pleurotaenium eugeneum var. eugeneum
                                            Pleurotaenium gloriosum
                                            Pleurotaenium inconspicuum
                                            Pleurotaenium indicum
                                            Pleurotaenium maximum
                                            Pleurotaenium minutum
                                              Pleurotaenium minutum var. elongatum
                                              Pleurotaenium minutum var. excavatum
                                              Pleurotaenium minutum var. gracile
                                              Pleurotaenium minutum var. minutum
                                            Pleurotaenium nodolosum
                                            Pleurotaenium nodosum
                                              Pleurotaenium nodosum var. borgei
                                              Pleurotaenium nodosum var. nodosum
                                            Pleurotaenium prescottii
                                            Pleurotaenium subcoronulatum
                                              Pleurotaenium subcoronulatum var. dentum
                                              Pleurotaenium subcoronulatum var. subcoronulatum
                                            Pleurotaenium trabecula
                                                   [Closterium trabecula]
                                              Pleurotaenium trabecula var. crassum
                                              Pleurotaenium trabecula var. elongatum
                                              Pleurotaenium trabecula var. maxima
                                              Pleurotaenium trabecula var. rectum
                                                     [Docidium rectum]
                                              Pleurotaenium trabecula var. trabecula
                                              Pleurotaenium trabecula var. truncatum
                                            Pleurotaenium tridentulum
                                            Pleurotaenium trochiscum
                                            Pleurotaenium truncatum
                                    Sphaerozosma
                                            Sphaerozosma aubertianum
                                              Sphaerozosma aubertianum var. archeri
                                              Sphaerozosma aubertianum var. aubertianum
                                            Sphaerozosma exiguum
                                            Sphaerozosma filiforme
                                            Sphaerozosma filiformis
                                            Sphaerozosma filiforne
                                            Sphaerozosma granulatum
                                            Sphaerozosma laeve
                                              Sphaerozosma laeve var. laeve
                                              Sphaerozosma laeve var. latum
                                            Sphaerozosma punctulatum
                                            Sphaerozosma vertebratum
                                              Sphaerozosma vertebratum var. minor
                                              Sphaerozosma vertebratum var. vertebratum
                                            Sphaerozosma wallichii
                                    Spinocosmarium
                                            Spinocosmarium quadridens
                                    Spondylosium
                                            Spondylosium granulatum
                                            Spondylosium luetkemulleri
                                            Spondylosium maniliforme
                                              Spondylosium maniliforme var. maniliforme
                                              Spondylosium maniliforme var. reniforme
                                            Spondylosium nitens
                                              Spondylosium nitens var. nitens
                                              Spondylosium nitens var. triangulare
                                            Spondylosium papillosum
                                            Spondylosium planum
                                            Spondylosium puchellum
                                            Spondylosium pulchrum
                                            Spondylosium pygmaeum
                                            Spondylosium rectangulare
                                    Staurastrum
                                            Staurastrum acarides
                                            Staurastrum aculeatum
                                            Staurastrum affine
                                            Staurastrum alternans
                                            Staurastrum americanum
                                              Staurastrum americanum var. americanum
                                              Staurastrum americanum var. longiradiatum
                                              Staurastrum americanum var. triradiatum
                                            Staurastrum anatinum
                                              Staurastrum anatinum var. anatinum
                                              Staurastrum anatinum var. biradiatum
                                              Staurastrum anatinum var. curtum
                                              Staurastrum anatinum var. denticulatum
                                              Staurastrum anatinum var. grande
                                              Staurastrum anatinum var. lagerheimii
                                              Staurastrum anatinum var. longibrachiatum
                                              Staurastrum anatinum var. truncatum
                                            Staurastrum ankyroides
                                            Staurastrum apiculatum
                                            Staurastrum arachne
                                              Staurastrum arachne var. arachne
                                              Staurastrum arachne var. arachnoides
                                              Staurastrum arachne var. curvatum
                                            Staurastrum arctiscon
                                              Staurastrum arctiscon var. arctiscon
                                              Staurastrum arctiscon var. glabrum
                                              Staurastrum arctiscon var. truncatum
                                            Staurastrum arcuatum
                                              Staurastrum arcuatum var. aciculiferum
                                              Staurastrum arcuatum var. arcuatum
                                              Staurastrum arcuatum var. guitanense
                                            Staurastrum aristiferum
                                              Staurastrum aristiferum var. aristiferum
                                              Staurastrum aristiferum var. prescottii
                                            Staurastrum armigerum
                                            Staurastrum arnellii
                                            Staurastrum aspinosum
                                              Staurastrum aspinosum var. aspinosum
                                              Staurastrum aspinosum var. verrucosum
                                            Staurastrum avicula
                                              Staurastrum avicula var. subarcuatum
                                            Staurastrum bicorne
                                            Staurastrum bicoronatum
                                              Staurastrum bicoronatum var. bicoronatum
                                              Staurastrum bicoronatum var. tridentatum
                                            Staurastrum bieneanum
                                              Staurastrum bieneanum var. bieneanum
                                              Staurastrum bieneanum var. ellipticum
                                            Staurastrum boldtianum
                                            Staurastrum boreale
                                            Staurastrum botrophilum
                                            Staurastrum brachiatum
                                            Staurastrum brachycerum
                                            Staurastrum brasiliense
                                              Staurastrum brasiliense var. brasiliense
                                              Staurastrum brasiliense var. lundellii
                                            Staurastrum brebissonii
                                              Staurastrum brebissonii var. brebissonii
                                              Staurastrum brebissonii var. brevispinum
                                              Staurastrum brebissonii var. paucispinum
                                              Staurastrum brebissonii var. truncatum
                                            Staurastrum breviaculeatum
                                            Staurastrum brevispinum
                                                   [Staurastrum brevipina]
                                                   [Staurastrum brevipinum]
                                                   [Staurastrum brevispinum var. major]
                                                   [Staurodesmus brevipinus]
                                              Staurastrum brevispinum var. brevispinum
                                              Staurastrum brevispinum var. canadense
                                            Staurastrum bullardii
                                            Staurastrum capitulum
                                            Staurastrum cerastes
                                              Staurastrum cerastes var. cerastes
                                              Staurastrum cerastes var. triradiatum
                                            Staurastrum chaetoceras
                                            Staurastrum chaetoceros
                                              Staurastrum chaetoceros var. chaetoceros
                                              Staurastrum chaetoceros var. triradiata
                                            Staurastrum cingulum
                                              Staurastrum cingulum var. cingulum
                                              Staurastrum cingulum var. obesum
                                              Staurastrum cingulum var. tortum
                                            Staurastrum claviferum
                                            Staurastrum clevei
                                            Staurastrum coarctatum
                                              Staurastrum coarctatum var. coarctatum
                                              Staurastrum coarctatum var. subcurtum
                                            Staurastrum comptum
                                            Staurastrum controversum
                                            Staurastrum crenulatum
                                              Staurastrum crenulatum var. crenulatum
                                              Staurastrum crenulatum var. timidulum
                                            Staurastrum cristatum
                                              Staurastrum cristatum var. cristatum
                                              Staurastrum cristatum var. japonicum
                                            Staurastrum cuneatum
                                            Staurastrum curvatum
                                              Staurastrum curvatum var. brevispinum
                                              Staurastrum curvatum var. curvatum
                                            Staurastrum curvirostrum
                                            Staurastrum cyrtocerum
                                            Staurastrum dakotii
                                            Staurastrum dejectum
                                              Staurastrum dejectum var. apiculatum
                                              Staurastrum dejectum var. dejectum
                                              Staurastrum dejectum var. patens
                                              Staurastrum dejectum var. robustum
                                              Staurastrum dejectum var. tellami
                                            Staurastrum denticulatum
                                            Staurastrum depressiceps
                                              Staurastrum depressiceps var. depressiceps
                                              Staurastrum depressiceps var. planiceps
                                            Staurastrum dickiei
                                              Staurastrum dickiei var. circulare
                                                     [Staurodesmus dickiei var. circulare]
                                              Staurastrum dickiei var. dickiei
                                                     [Staurodesmus dickiei var. dickiei]
                                              Staurastrum dickiei var. latum
                                              Staurastrum dickiei var. maximum
                                                     [Staurodesmus dickiei var. maximus]
                                              Staurastrum dickiei var. rhomboideum
                                                     [Staurodesmus dickiei var. rhomboidieus]
                                            Staurastrum dilatatum
                                              Staurastrum dilatatum var. dilatatum
                                              Staurastrum dilatatum var. fusiforme
                                            Staurastrum dispar
                                            Staurastrum disputatum
                                            Staurastrum distentum
                                            Staurastrum duacense
                                            Staurastrum dubium
                                            Staurastrum dybowskii
                                            Staurastrum eboracense
                                            Staurastrum echinatum
                                            Staurastrum elongatum
                                            Staurastrum erasum
                                            Staurastrum fissum
                                            Staurastrum floriferum
                                            Staurastrum forficulatum
                                              Staurastrum forficulatum var. cornutiforme
                                              Staurastrum forficulatum var. forficulatum
                                              Staurastrum forficulatum var. heteracanthum
                                              Staurastrum forficulatum var. subheteroplophorum
                                            Staurastrum forticulatum
                                            Staurastrum freemanii
                                            Staurastrum furcatum
                                            Staurastrum furcigerum
                                              Staurastrum furcigerum var. armigera
                                                     [Staurastrum armigerum var. furcigerum]
                                              Staurastrum furcigerum var. eustephanum
                                              Staurastrum furcigerum var. furcigerum
                                            Staurastrum galeatum
                                            Staurastrum gemelliparum
                                            Staurastrum glabrum
                                            Staurastrum gladiosum
                                              Staurastrum gladiosum var. gladiosum
                                              Staurastrum gladiosum var. ornata
                                            Staurastrum gmelliparum
                                            Staurastrum gracile
                                              Staurastrum gracile var. coronulatum
                                              Staurastrum gracile var. elongatum
                                              Staurastrum gracile var. gracile
                                              Staurastrum gracile var. nanum
                                            Staurastrum grallatorium
                                              Staurastrum grallatorium var. forcipigerum
                                              Staurastrum grallatorium var. grallatorium
                                            Staurastrum grande
                                              Staurastrum grande var. grande
                                              Staurastrum grande var. parvum
                                            Staurastrum granulosum
                                            Staurastrum groenbladii
                                            Staurastrum gurgeliense
                                            Staurastrum hantzschii
                                            Staurastrum heimerlianum
                                            Staurastrum hexacerum
                                              Staurastrum hexacerum var. aversum
                                              Staurastrum hexacerum var. hexacerum
                                            Staurastrum hirsutum
                                            Staurastrum hystrix
                                            Staurastrum inconspicum
                                            Staurastrum inconspicuum
                                              Staurastrum inconspicuum var. crassum
                                              Staurastrum inconspicuum var. inconspicuum
                                            Staurastrum inflexum
                                            Staurastrum iotanum
                                              Staurastrum iotanum var. iotanum
                                              Staurastrum iotanum var. tortum
                                            Staurastrum irregulare
                                            Staurastrum jaculiferum
                                              Staurastrum jaculiferum var. excavatum
                                              Staurastrum jaculiferum var. jaculiferum
                                            Staurastrum johnsonii
                                            Staurastrum lacustre
                                            Staurastrum laeve
                                              Staurastrum laeve var. laeve
                                              Staurastrum laeve var. latidivergens
                                            Staurastrum lapponicum
                                              Staurastrum lapponicum var. depressum
                                              Staurastrum lapponicum var. lapponicum
                                            Staurastrum leptacanthum
                                            Staurastrum leptocladum
                                              Staurastrum leptocladum var. cornutum
                                              Staurastrum leptocladum var. denticulatum
                                              Staurastrum leptocladum var. insigne
                                              Staurastrum leptocladum var. leptocladum
                                              Staurastrum leptocladum var. sinuatum
                                              Staurastrum leptocladum var. subinsigne
                                            Staurastrum limneticum
                                              Staurastrum limneticum var. burmense
                                              Staurastrum limneticum var. cornutum
                                              Staurastrum limneticum var. limneticum
                                              Staurastrum limneticum var. tetragona
                                            Staurastrum longibrachiatum
                                              Staurastrum longibrachiatum var. longibrachiatum
                                              Staurastrum longibrachiatum var. mistassiniense
                                            Staurastrum longimum
                                              Staurastrum longimum var. longimum
                                              Staurastrum longimum var. spiniferum
                                            Staurastrum longipes
                                            Staurastrum longiradiata
                                            Staurastrum longiradiatum
                                            Staurastrum longispinum
                                            Staurastrum louisianicum
                                            Staurastrum lunatum
                                              Staurastrum lunatum var. lunatum
                                              Staurastrum lunatum var. planctonicum
                                            Staurastrum maamense
                                              Staurastrum maamense var. atypicum
                                              Staurastrum maamense var. maamense
                                            Staurastrum macrocerum
                                            Staurastrum mamillatum
                                            Staurastrum manfeldtii
                                              Staurastrum manfeldtii var. annulatum
                                              Staurastrum manfeldtii var. fluminense
                                              Staurastrum manfeldtii var. manfeldtii
                                            Staurastrum margaritaceum
                                              Staurastrum margaritaceum var. alpinum
                                              Staurastrum margaritaceum var. margaritaceum
                                              Staurastrum margaritaceum var. robustum
                                            Staurastrum megacanthum
                                            Staurastrum meriani
                                            Staurastrum messikommeri
                                              Staurastrum messikommeri var. messikommeri
                                              Staurastrum messikommeri var. urnaeforme
                                            Staurastrum micron
                                              Staurastrum micron var. biradiata
                                              Staurastrum micron var. micron
                                            Staurastrum minnesotense
                                              Staurastrum minnesotense var. depauperatum
                                              Staurastrum minnesotense var. minnesotense
                                            Staurastrum monticulosum
                                            Staurastrum mucronatum
                                              Staurastrum mucronatum var. mucronatum
                                              Staurastrum mucronatum var. subtriangularis
                                            Staurastrum muricatum
                                            Staurastrum muticum
                                              Staurastrum muticum var. minor
                                              Staurastrum muticum var. muticum
                                            Staurastrum natator
                                              Staurastrum natator var. crassum
                                              Staurastrum natator var. natator
                                              Staurastrum natator var. rhomboideum
                                            Staurastrum neglectum
                                            Staurastrum odonatum
                                            Staurastrum omearii
                                            Staurastrum ophiura
                                              Staurastrum ophiura var. cambricum
                                              Staurastrum ophiura var. ophiura
                                              Staurastrum ophiura var. pentacerum
                                              Staurastrum ophiura var. tetracerum
                                            Staurastrum orbiculare
                                              Staurastrum orbiculare var. depressum
                                              Staurastrum orbiculare var. extensum
                                              Staurastrum orbiculare var. hibernicum
                                              Staurastrum orbiculare var. orbiculare
                                              Staurastrum orbiculare var. protractum
                                              Staurastrum orbiculare var. ralfsii
                                            Staurastrum ornatum
                                              Staurastrum ornatum var. asperum
                                              Staurastrum ornatum var. ornatum
                                            Staurastrum ornithopodum
                                            Staurastrum pachyrhynchum
                                              Staurastrum pachyrhynchum var. convergens
                                              Staurastrum pachyrhynchum var. pachyrhynchum
                                            Staurastrum paradoxum
                                              Staurastrum paradoxum var. evolutum
                                                     [Staurastrum tetracerum var. evolutum]
                                              Staurastrum paradoxum var. longipes
                                              Staurastrum paradoxum var. nodulosum
                                              Staurastrum paradoxum var. paradoxum
                                              Staurastrum paradoxum var. parvum
                                                     [Staurastrum tetracerum var. parvum]
                                            Staurastrum peleii
                                            Staurastrum pentacerum
                                              Staurastrum pentacerum var. major
                                              Staurastrum pentacerum var. obesum
                                              Staurastrum pentacerum var. pentacerum
                                              Staurastrum pentacerum var. tetracerum
                                            Staurastrum petrophilum
                                            Staurastrum picum
                                            Staurastrum pilosum
                                            Staurastrum pingue
                                              Staurastrum pingue var. pingue
                                              Staurastrum pingue var. tridentata
                                            Staurastrum pinnatum
                                              Staurastrum pinnatum var. pinnatum
                                              Staurastrum pinnatum var. reductum
                                            Staurastrum planctonicum
                                              Staurastrum planctonicum var. ornatum
                                              Staurastrum planctonicum var. planctonicum
                                            Staurastrum polinicum
                                              Staurastrum polinicum var. coronulatum
                                              Staurastrum polinicum var. polinicum
                                            Staurastrum polymorphum
                                              Staurastrum polymorphum var. munitum
                                              Staurastrum polymorphum var. polymorphum
                                            Staurastrum polytrichum
                                              Staurastrum polytrichum var. biseriatum
                                              Staurastrum polytrichum var. ornatum
                                              Staurastrum polytrichum var. polytrichum
                                            Staurastrum proboscidium
                                            Staurastrum producta
                                            Staurastrum protectum
                                              Staurastrum protectum var. planctonicum
                                              Staurastrum protectum var. protectum
                                            Staurastrum pseudoitanum
                                            Staurastrum pseudopelagicum
                                              Staurastrum pseudopelagicum var. minor
                                              Staurastrum pseudopelagicum var. pseudopelagicum
                                            Staurastrum pseudosebaldi
                                              Staurastrum pseudosebaldi var. pseudosebaldi
                                              Staurastrum pseudosebaldi var. simplicius
                                            Staurastrum pseudotetracerum
                                            Staurastrum pterosporum
                                            Staurastrum punctatum
                                              Staurastrum punctatum var. punctatum
                                              Staurastrum punctatum var. pygmaeum
                                            Staurastrum punctulatum
                                              Staurastrum punctulatum var. kjellmani
                                              Staurastrum punctulatum var. punctulatum
                                              Staurastrum punctulatum var. pygmaeum
                                            Staurastrum pungens
                                            Staurastrum pygmaeum
                                              Staurastrum pygmaeum var. major
                                              Staurastrum pygmaeum var. pygmaeum
                                            Staurastrum pyramidatum
                                              Staurastrum pyramidatum var. pyramidatum
                                              Staurastrum pyramidatum var. transitorium
                                            Staurastrum quadrangulare
                                              Staurastrum quadrangulare var. armatum
                                              Staurastrum quadrangulare var. quadrangulare
                                            Staurastrum quadricuspinatum
                                            Staurastrum quadrispinatum
                                            Staurastrum ravenellii
                                            Staurastrum retangulare
                                              Staurastrum retangulare var. quadricornutum
                                              Staurastrum retangulare var. retangulare
                                            Staurastrum retusum
                                            Staurastrum rotula
                                            Staurastrum rugosum
                                              Staurastrum rugosum var. coronulatum
                                              Staurastrum rugosum var. rugosum
                                            Staurastrum rugulosum
                                            Staurastrum scabrum
                                            Staurastrum sebaldi
                                              Staurastrum sebaldi var. ornatum
                                              Staurastrum sebaldi var. sebaldi
                                            Staurastrum senarium
                                            Staurastrum setigerum
                                              Staurastrum setigerum var. alaskanum
                                              Staurastrum setigerum var. brevispinum
                                              Staurastrum setigerum var. occidentale
                                              Staurastrum setigerum var. pectinatum
                                              Staurastrum setigerum var. setigerum
                                            Staurastrum sexangulare
                                              Staurastrum sexangulare var. minima
                                              Staurastrum sexangulare var. sexangulare
                                            Staurastrum sexcostatum
                                              Staurastrum sexcostatum var. productum
                                              Staurastrum sexcostatum var. sexcostatum
                                            Staurastrum simonyi
                                            Staurastrum spiculiferum
                                            Staurastrum spongiosum
                                            Staurastrum sponglosum
                                            Staurastrum striolatum
                                            Staurastrum subarcuatum
                                            Staurastrum subcruciatum
                                            Staurastrum subcuciatum
                                            Staurastrum subgracillimum
                                            Staurastrum sublaevispinum
                                            Staurastrum sublongipes
                                            Staurastrum subnudibrachiatum
                                            Staurastrum subscabrum
                                            Staurastrum teliferum
                                            Staurastrum tetracerum
                                              Staurastrum tetracerum var. tetracerum
                                              Staurastrum tetracerum var. trigona
                                              Staurastrum tetracerum var. validum
                                            Staurastrum thunmarkii
                                            Staurastrum tohopekaligense
                                              Staurastrum tohopekaligense var. tohopekaligense
                                              Staurastrum tohopekaligense var. trifurcata
                                            Staurastrum trifidum
                                              Staurastrum trifidum var. inflexum
                                              Staurastrum trifidum var. trifidum
                                            Staurastrum trihedrale
                                            Staurastrum tumidum
                                            Staurastrum turgescens
                                            Staurastrum unicorne
                                            Staurastrum varians
                                            Staurastrum vesiculatum
                                            Staurastrum vestitum
                                              Staurastrum vestitum var. subanatinum
                                              Staurastrum vestitum var. vestitum
                                            Staurastrum wildemanii
                                    Staurodesmus
                                            Staurodesmus aristiferus
                                              Staurodesmus aristiferus var. aristiferus
                                              Staurodesmus aristiferus var. protuberans
                                            Staurodesmus aversus
                                            Staurodesmus clepsydra
                                            Staurodesmus connatus
                                                   [Staurastrum connatum]
                                              Staurodesmus connatus var. connatus
                                              Staurodesmus connatus var. validus
                                            Staurodesmus constrictus
                                            Staurodesmus convergens
                                              Staurodesmus convergens var. wollei
                                                     [Arthrodesmus convergens var. wollei]
                                            Staurodesmus corniculatum
                                                   [Staurastrum corniculatum]
                                            Staurodesmus crassus
                                                   [Arthrodesmus crassus]
                                            Staurodesmus cuspidatus
                                                   [Staurastrum cuspidatum var. divergens]
                                                   [Staurastrum cuspidatum]
                                              Staurodesmus cuspidatus var. curvatum
                                              Staurodesmus cuspidatus var. cuspidatus
                                            Staurodesmus dejectus
                                              Staurodesmus dejectus var. apiculatum
                                              Staurodesmus dejectus var. dejectus
                                            Staurodesmus dickiei
                                            Staurodesmus extensus
                                              Staurodesmus extensus var. extensus
                                              Staurodesmus extensus var. joshuae
                                            Staurodesmus glaber
                                              Staurodesmus glaber var. glaber
                                              Staurodesmus glaber var. ralfsii
                                            Staurodesmus grandis
                                            Staurodesmus incus
                                              Staurodesmus incus var. incus
                                              Staurodesmus incus var. minor
                                              Staurodesmus incus var. ralfsii
                                            Staurodesmus indentatus
                                            Staurodesmus insignis
                                            Staurodesmus jaculiferus
                                            Staurodesmus joshuae
                                            Staurodesmus lanceolatus
                                            Staurodesmus majusculus
                                            Staurodesmus mamillatus
                                            Staurodesmus megacanthus
                                              Staurodesmus megacanthus var. megacanthus
                                              Staurodesmus megacanthus var. scotius
                                            Staurodesmus mucronatus
                                              Staurodesmus mucronatus var. mucronatus
                                              Staurodesmus mucronatus var. subtriangularis
                                            Staurodesmus omearii
                                            Staurodesmus pachyrhynchus
                                            Staurodesmus phimus
                                            Staurodesmus sellatus
                                            Staurodesmus subpygmaeus
                                            Staurodesmus subtriangularis
                                            Staurodesmus subulatus
                                              Staurodesmus subulatus var. nordstedtii
                                              Staurodesmus subulatus var. subulatus
                                            Staurodesmus subvalidus
                                            Staurodesmus triangularis
                                              Staurodesmus triangularis var. rotundatus
                                              Staurodesmus triangularis var. subparrallelus
                                              Staurodesmus triangularis var. triangularis
                                    Teilingia
                                            Teilingia excavata
                                                   [Sphaerozosma excavata]
                                              Teilingia excavata var. excavata
                                              Teilingia excavata var. subquadratum
                                                     [Sphaerozosma excavata var. subquadratum]
                                            Teilingia granulata
                                                   [Sphaerozosma granulata]
                                    Tetmemorus
                                            Tetmemorus brebissonii
                                              Tetmemorus brebissonii var. brebissonii
                                              Tetmemorus brebissonii var. minor
                                            Tetmemorus granulatus
                                              Tetmemorus granulatus var. attenuatus
                                              Tetmemorus granulatus var. granulatus
                                            Tetmemorus laevis
                                              Tetmemorus laevis var. borgei
                                              Tetmemorus laevis var. laevis
                                            Tetmemorus minutus
                                    Triploceras
                                            Triploceras gracile
                                              Triploceras gracile var. bidentatum
                                              Triploceras gracile var. gracile
                                            Triploceras verticillatum
                                    Xanthidium
                                            Xanthidium antilopaeum
                                              Xanthidium antilopaeum var. antilopaeum
                                              Xanthidium antilopaeum var. crameri
                                              Xanthidium antilopaeum var. depauperatum
                                              Xanthidium antilopaeum var. floridense
                                              Xanthidium antilopaeum var. hebridarum
                                              Xanthidium antilopaeum var. laeve
                                              Xanthidium antilopaeum var. lemneticum
                                              Xanthidium antilopaeum var. minneapoliense
                                              Xanthidium antilopaeum var. planum
                                              Xanthidium antilopaeum var. polymazum
                                            Xanthidium armatum
                                              Xanthidium armatum var. armatum
                                              Xanthidium armatum var. cervicorne
                                              Xanthidium armatum var. fissum
                                              Xanthidium armatum var. mediolaeve
                                            Xanthidium brebissonii
                                            Xanthidium columbianum
                                            Xanthidium concinnum
                                              Xanthidium concinnum var. boldtiana
                                              Xanthidium concinnum var. concinnum
                                            Xanthidium controversum
                                            Xanthidium cristatum
                                              Xanthidium cristatum var. cristatum
                                              Xanthidium cristatum var. hipparguii
                                              Xanthidium cristatum var. leiodermum
                                              Xanthidium cristatum var. papilliferum
                                              Xanthidium cristatum var. uncinatum
                                            Xanthidium fasciculatum
                                              Xanthidium fasciculatum var. fasciculatum
                                              Xanthidium fasciculatum var. hexagonum
                                              Xanthidium fasciculatum var. oronense
                                            Xanthidium hastiferum
                                              Xanthidium hastiferum var. hastiferum
                                              Xanthidium hastiferum var. javanicum
                                              Xanthidium hastiferum var. johnsonii
                                            Xanthidium pensylvanicum
                                            Xanthidium perissacanthum
                                            Xanthidium pseudobengalicum
                                            Xanthidium subhastiferum
                                              Xanthidium subhastiferum var. subhautiferum
                                              Xanthidium subhastiferum var. towerii
                                            Xanthidium tetracentrotum
                                              Xanthidium tetracentrotum var. hexagonum
                                              Xanthidium tetracentrotum var. tetracentrotum
                                    bambusina
                                            Bambusina brebissonii
                                            Bambusina delicatissima
                                            Bambusina moniliformis
                                              Bambusina moniliformis var. gracilescens
                                              Bambusina moniliformis var. moniliformis
                                            bambusina borreri