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Home >> Checklist: Arches >> Previous version of Key >> Identification Key (new version): Arches Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit trees shrubs vines / lianas herbaceous ferns & allies grass-like cactus-like / succulents aquatic & OBL wetland species special groups composites legumes milkweeds mints orchids spurges dicots monocots longevity annual or biennial perennial Leaves arrangement/phyllotaxy basal alternate opposite whorled fascicled/clustered along stem blade division all simple deeply lobed or divided some or all fully compound Flower ovaries/pistils per flower 1 2-5 more than 5 Fruit or Cone fruit consistency at maturity dry/leathery fleshy Arches Walter Fertig, Sarah Top, Mary Moran Species Count: 513 Aizoaceae Sesuvium verrucosum Alismataceae Sagittaria cuneata Amaranthaceae Allenrolfea occidentalis Amaranthus albus Amaranthus blitoides Amaranthus retroflexus Atriplex confertifolia Atriplex corrugata Atriplex prostrata Bassia hyssopifolia Bassia scoparia Blitum nuttallianum Chenopodium atrovirens Chenopodium leptophyllum Corispermum americanum Cycloloma atriplicifolium Grayia spinosa Halogeton glomeratus Kochia americana Salsola paulsenii Salsola tragus Suaeda calceoliformis Suaeda occidentalis Amaryllidaceae Allium macropetalum Allium nevadense Allium textile Anacardiaceae Rhus glabra Rhus trilobata Toxicodendron rydbergii Apiaceae Aulospermum purpureum Cymopterus glomeratus Cymopterus newberryi Ligusticum porteri Lomatium latilobum Lomatium parryi Oreoxis trotteri Pteryxia petraea Vesper bulbosus Vesper purpurascens Apocynaceae Amsonia jonesii Apocynum cannabinum Asclepias cutleri Asclepias involucrata Asclepias latifolia Asclepias macrosperma Asclepias rusbyi Asclepias ruthiae Asclepias speciosa Asclepias subverticillata Asparagaceae Androstephium breviflorum Asparagus officinalis Eremocrinum albomarginatum Maianthemum stellatum Yucca angustissima Yucca baccata Yucca baileyi Asteraceae Achillea millefolium Acroptilon repens Ageratina herbacea Agoseris parviflora Almutaster pauciflorus Ambrosia acanthicarpa Ambrosia tomentosa Arctium minus Artemisia bigelovii Artemisia dracunculus Artemisia filifolia Artemisia frigida Baccharis salicifolia Baccharis salicina Bidens frondosa Brickellia californica Brickellia grandiflora Brickellia longifolia Centaurea diffusa Centaurea stoebe Chaenactis douglasii Chaenactis stevioides Chaetopappa ericoides Chrysothamnus greenei Chrysothamnus stylosus Chrysothamnus vaseyi Cichorium intybus Cirsium rydbergii Cirsium tracyi Cirsium vulgare Encelia nutans Encelia resinifera Erigeron argentatus Erigeron bellidiastrum Erigeron eatonii Erigeron flagellaris Erigeron kachinensis Erigeron pulcherrimus Erigeron tracyi Euthamia occidentalis Flaveria campestris Gaillardia pinnatifida Gaillardia pulchella Gaillardia spathulata Grindelia fastigiata Gutierrezia microcephala Gutierrezia sarothrae Haplopappus clementis Helianthella microcephala Helianthus annuus Helianthus anomalus Helianthus nuttallii Herrickia glauca Hesperodoria scopulorum Heterotheca subaxillaris Isocoma rusbyi Iva axillaris Lactuca serriola Lorandersonia linifolia Machaeranthera tanacetifolia Malacothrix sonchoides Malacothrix torreyi Mulgedium pulchellum Onopordum acanthium Oxytenia acerosa Packera multilobata Packera streptanthifolia Perityle specuicola Picrothamnus desertorum Prenanthella exigua Psathyrotes annua Psathyrotes pilifera Pseudognaphalium microcephalum Ratibida columnifera Scabrethia scabra Solidago velutina Sonchus asper Sonchus oleraceus Stephanomeria exigua Stephanomeria pauciflora Symphyotrichum ascendens Symphyotrichum ciliatum Symphyotrichum eatonii Symphyotrichum frondosum Taraxacum officinale Tetradymia spinosa Tetraneuris ivesiana Thelesperma megapotamicum Townsendia annua Townsendia incana Tragopogon dubius Wyethia arizonica Xanthium strumarium Xylorhiza confertifolia Xylorhiza venusta Berberidaceae Berberis fendleri Mahonia fremontii Mahonia repens Betulaceae Betula occidentalis Ostrya knowltonii Bignoniaceae Catalpa bignonioides Boraginaceae Cryptantha ambigua Cryptantha fulvocanescens Cryptantha gracilis Cryptantha kelseyana Cryptantha recurvata Cynoglossum officinale Greeneocharis circumscissa Heliotropium convolvulaceum Lithospermum incisum Lithospermum multiflorum Mertensia arizonica Nama demissa Nama hispida Nama retrorsum Oreocarya confertiflora Oreocarya elata Oreocarya flava Oreocarya flavoculata Oreocarya humilis Oreocarya longiflora Oreocarya osterhoutii Oreocarya tenuis Oreocarya wetherillii Phacelia howelliana Phacelia ivesiana Tiquilia latior Brassicaceae Boechera formosa Boechera lignifera Boechera perennans Capsella bursa-pastoris Chorispora tenella Conringia orientalis Descurainia californica Descurainia sophia Dimorphocarpa wislizeni Draba nemorosa Draba rectifructa Draba reptans Lepidium fremontii Lepidium latifolium Lepidium moabense Lepidium perfoliatum Nasturtium officinale Physaria newberryi Sisymbrium altissimum Sisymbrium linifolium Stanleya pinnata Streptanthella longirostris Streptanthus cordatus Strigosella africana Thelypodiopsis elegans Cactaceae Cylindropuntia whipplei Sclerocactus parviflorus Cannabaceae Cannabis sativa Celtis reticulata Caprifoliaceae Symphoricarpos longiflorus Caryophyllaceae Eremogone congesta Eremogone fendleri Silene antirrhina Silene drummondii Cleomaceae Cleomella serrulata Peritoma lutea Convolvulaceae Convolvulus arvensis Cuscuta pentagona Evolvulus nuttallianus Ipomoea purpurea Cupressaceae Juniperus osteosperma Juniperus scopulorum Cyperaceae Bolboschoenus maritimus Carex aquatilis Carex aurea Carex garberi Carex hystericina Carex nebrascensis Carex praegracilis Carex siccata Carex subfusca Cyperus erythrorhizos Cyperus esculentus Cyperus squarrosus Eleocharis palustris Schoenoplectus acutus Schoenoplectus americanus Schoenoplectus tabernaemontani Cystopteridaceae Cystopteris fragilis Elaeagnaceae Elaeagnus angustifolia Shepherdia argentea Shepherdia rotundifolia Ephedraceae Ephedra cutleri Ephedra nevadensis Ephedra torreyana Equisetaceae Equisetum arvense Equisetum laevigatum Euphorbiaceae Chamaesyce parryi Euphorbia brachycera Euphorbia fendleri Euphorbia glyptosperma Tragia ramosa Fabaceae Astragalus cymboides Astragalus eastwoodiae Astragalus geyeri Astragalus iselyi Astragalus moencoppensis Astragalus monumentalis Astragalus piscator Astragalus sabulonum Dalea flavescens Glycyrrhiza lepidota Hoffmannseggia repens Ladeania lanceolata Lathyrus eucosmus Lupinus brevicaulis Medicago sativa Melilotus albus Melilotus officinalis Parryella filifolia Pediomelum megalanthum Robinia pseudoacacia Sophora stenophylla Fagaceae Quercus turbinella Quercus welshii Gentianaceae Frasera albomarginata Frasera paniculata Zeltnera exaltata Geraniaceae Erodium cicutarium Grossulariaceae Ribes inerme Hydrangeaceae Fendlera rupicola Philadelphus microphyllus Juncaceae Juncus arcticus Juncus articulatus Juncus bufonius Juncus compressus Juncus longistylis Juncus nevadensis Juncus saximontanus Juncus tenuis Juncus torreyi Juncaginaceae Triglochin maritima Lamiaceae Dracocephalum parviflorum Hedeoma drummondii Lycopus americanus Marrubium vulgare Poliomintha incana Liliaceae Calochortus gunnisonii Calochortus nuttallii Linaceae Linum aristatum Loasaceae Mentzelia albicaulis Mentzelia marginata Mentzelia multiflora Mentzelia pterosperma Mentzelia shultziorum Mentzelia thompsonii Lythraceae Lythrum salicaria Malvaceae Hibiscus trionum Sphaeralcea coccinea Sphaeralcea grossulariifolia Sphaeralcea janeae Sphaeralcea leptophylla Sphaeralcea parvifolia Sphaeralcea psoraloides Melanthiaceae Anticlea vaginata Zigadenus elegans Moraceae Morus alba Morus rubra Nyctaginaceae Abronia argillosa Abronia fragrans Mirabilis multiflora Tripterocalyx micranthus Oleaceae Forestiera pubescens Fraxinus anomala Onagraceae Calylophus lavandulifolius Camissonia eastwoodiae Camissonia walkeri Epilobium brachycarpum Epilobium ciliatum Gayophytum ramosissimum Oenothera albicaulis Oenothera coronopifolia Oenothera curtiflora Oenothera longissima Orchidaceae Epipactis gigantea Platanthera leucostachys Platanthera zothecina Orobanchaceae Castilleja chromosa Castilleja linariifolia Cordylanthus wrightii Orobanche fasciculata Phrymaceae Erythranthe eastwoodiae Erythranthe floribunda Erythranthe guttata Pinaceae Pinus edulis Plantaginaceae Collinsia parviflora Linaria dalmatica Penstemon cyanocaulis Penstemon fremontii Penstemon ophianthus Penstemon strictiformis Penstemon utahensis Plantago lanceolata Plantago major Plantago patagonica Veronica anagallis-aquatica Poaceae Aegilops cylindrica Agropyron cristatum Agrostis stolonifera Aristida purpurea Bothriochloa ischaemum Bothriochloa springfieldii Bouteloua barbata Bouteloua curtipendula Bouteloua gracilis Bromus carinatus Bromus diandrus Bromus japonicus Bromus tectorum Calamagrostis scopulorum Cenchrus longispinus Chloris virgata Dactylis glomerata Dasyochloa pulchella Digitaria sanguinalis Distichlis spicata Echinochloa crus-galli Elymus canadensis Elymus elymoides Elymus trachycaulus Enneapogon desvauxii Eragrostis cilianensis Eragrostis hypnoides Eragrostis pectinacea Eremopyrum triticeum Eriocoma arida Eriocoma hymenoides Erioneuron pilosum Glyceria striata Hilaria jamesii Hopia obtusa Hordeum jubatum Hordeum murinum Leymus cinereus Leymus salina Lolium pratense Muhlenbergia andina Muhlenbergia asperifolia Muhlenbergia mexicana Muhlenbergia pungens Muhlenbergia racemosa Muhlenbergia thurberi Munroa squarrosa Panicum capillare Panicum virgatum Pappostipa speciosa Pascopyrum smithii Pennisetum glaucum Phleum pratense Phragmites australis Poa fendleriana Poa pratensis Poa secunda Polypogon monspeliensis Polypogon viridis Puccinellia distans Schizachyrium scoparium Secale cereale Setaria viridis Sorghastrum nutans Spartina gracilis Spartina pectinata Sphenopholis obtusata Sporobolus contractus Sporobolus cryptandrus Sporobolus flexuosus Sporobolus giganteus Stipa arnowiae Tridens muticus Triticum aestivum Polemoniaceae Aliciella leptomeria Aliciella subnuda Eriastrum diffusum Gilia inconspicua Ipomopsis gunnisonii Ipomopsis polycladon Ipomopsis pumila Ipomopsis roseata Linanthus watsonii Phlox longifolia Polygalaceae Rhinotropis subspinosa Polygonaceae Eriogonum alatum Eriogonum bicolor Eriogonum contortum Eriogonum gordonii Eriogonum ovalifolium Eriogonum palmerianum Eriogonum smithii Eriogonum wetherillii Persicaria lapathifolia Polygonum aviculare Rumex crispus Rumex hymenosepalus Rumex venosus Stenogonum salsuginosum Portulacaceae Portulaca oleracea Primulaceae Androsace septentrionalis Primula specuicola Pteridaceae Adiantum capillus-veneris Myriopteris gracilis Pellaea breweri Ranunculaceae Aquilegia micrantha Ceratocephala testiculata Clematis ligusticifolia Delphinium nuttallianum Delphinium scaposum Ranunculus cymbalaria Rhamnaceae Rhamnus betulifolia Rosaceae Amelanchier utahensis Cercocarpus intricatus Cercocarpus montanus Coleogyne ramosissima Holodiscus dumosus Petrophyton caespitosum Physocarpus alternans Purshia stansburyana Purshia tridentata Rosa woodsii Rubiaceae Galium aparine Galium coloradoense Galium multiflorum Galium triflorum Salicaceae Populus alba Populus x canadensis Salix amygdaloides Salix exigua Salix gooddingii Salix lutea Santalaceae Arceuthobium divaricatum Phoradendron juniperinum Sapindaceae Acer negundo Sarcobataceae Sarcobatus vermiculatus Scrophulariaceae Verbascum thapsus Selaginellaceae Selaginella mutica Solanaceae Chamaesaracha coronopus Datura wrightii Nicotiana attenuata Physalis longifolia Solanum elaeagnifolium Talinaceae Phemeranthus brevifolius Tamaricaceae Tamarix chinensis Typhaceae Typha domingensis Typha latifolia Ulmaceae Ulmus pumila Verbenaceae Verbena bracteata Violaceae Viola nephrophylla Woodsiaceae Woodsia oregana Zygophyllaceae Kallstroemia californica Kallstroemia parviflora Tribulus terrestris
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