Ecoregion: Highland Rim and Shawnee Hills

more detail

Families: 150

Genera: 672

Species: 1639

Total Taxa: 1718

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Abutilon

Abutilon theophrasti Medik. - Velvetleaf

Acalypha

Acalypha deamii (Weath.) H. E. Ahles - Deam's Three-Seed-Mercury

Acalypha gracilens A. Gray - Slender Three-Seed-Mercury

Acalypha ostryifolia Riddell ex J. M. Coult. - Pineland Three-Seed-Mercury

Acalypha rhomboidea Raf. - Common Three-Seed-Mercury

Acalypha virginica L. - Virginia Three-Seed-Mercury

Acer

Acer negundo L. - Ash-Leaf Maple

Acer negundo var. negundo - Boxelder

Acer nigrum F. Michx. - Black Maple

Acer rubrum L. - Red Maple

Acer rubrum var. drummondii (Hook. & Arn. ex Nutt.) Sarg. - Drummond's Maple

Acer rubrum var. rubrum - Red Maple

Acer rubrum var. trilobum Torr. & A. Gray ex K. Koch - Red Maple

Acer saccharinum L. - Silver Maple

Acer saccharum Marshall - Sugar Maple

Acer saccharum var. saccharum - Sugar Maple

Acer saccharum var. schneckii Rehder - Sugar Maple

Achillea

Achillea millefolium L. - common yarrow

Achyranthes

Achyranthes japonica (Miq.) Nakai - Japanese Chaff-Flower

Achyranthes japonica var. hachijoensis Honda - Japanese Chaff-Flower

Acorus

Acorus calamus L. - Single-Vein Sweetflag

Actaea

Actaea pachypoda Elliott - White Baneberry

Actaea racemosa L. - Black Bugbane

Adiantum

Adiantum pedatum L. - Northern Maidenhair

Aegilops

Aegilops cylindrica Host - Jointed Goat Grass

Aegopodium

Aegopodium podagraria L. - Bishop's Goutweed

Aesculus

Aesculus flava Sol. - Yellow Buckeye

Aesculus glabra Willd. - Ohio Buckeye

Aesculus glabra var. glabra - Ohio Buckeye

Aesculus × marylandica Booth ex Dippel - Maryland Chestnut

Agalinis

Agalinis fasciculata (Elliot) Raf. - Beach False Foxglove

Agalinis gattingeri (Small) Small - Round-Stem False Foxglove

Agalinis tenuifolia (Vahl) Raf. - Slender-Leaf False Foxglove

Agalinis tenuifolia var. macrophylla (Benth.) S. F. Blake - Slender-Leaf False Foxglove

Agalinis tenuifolia var. tenuifolia - Slender-Leaf False Foxglove

Agastache

Agastache nepetoides (L.) Kuntze - Yellow Giant-Hyssop

Agastache scrophulariifolia (Willd.) Kuntze - Purple Giant-Hyssop

Ageratina

Ageratina altissima (L.) R. M. King & H. Rob. - White Snakeroot

Ageratina altissima var. altissima - White Snakeroot

Agrimonia

Agrimonia parviflora Aiton - Harvestlice

Agrimonia pubescens Wallr. - Soft Grooveburr

Agrimonia rostellata Wallr. - Beaked Grooveburr

Agrostemma

Agrostemma githago L. - Common Corncockle

Agrostis

Agrostis elliottiana Schult. - Elliott's Bent

Agrostis gigantea Roth - Black Bent

Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. - Winter Bent

Agrostis perennans (Walter) Tuck. - Upland Bent

Agrostis scabra Willd. - Thermal Bent

Agrostis stolonifera L. - Spreading Bent

Ailanthus

Ailanthus altissima (Mill.) Swingle - Tree-of-Heaven

Albizia

Albizia julibrissin Durazz. - Silktree

Alcea

Alcea rosea L. - Hollyhock

Alisma

Alisma subcordatum Raf. - American Water-Plantain

Alisma triviale Pursh - Northern Water-Plantain

Alliaria

Alliaria petiolata (M. Bieb.) Cavara & Grande - Garlic-Mustard

Allium

Allium canadense L. - Meadow Garlic

Allium canadense var. canadense - Meadow Garlic

Allium cernuum Roth - Nodding Onion

Allium sativum L. - Cultivated Garlic

Allium tricoccum Aiton - Wideleaf Wild Leek

Allium tricoccum var. burdickii Hanes - Narrowleaf Wild Leek

Allium tricoccum var. tricoccum - Wideleaf Wild Leek

Allium vineale L. - Crow Garlic

Alnus

Alnus incana (L.) Moench - Speckled Alder

Alnus incana subsp. rugosa (Du Roi) R.T. Clausen - Speckled Alder

Alnus serrulata (Aiton) Willd. - Brookside Alder

Alopecurus

Alopecurus carolinianus Walter - Tufted Meadow-Foxtail

Alyssum

Alyssum alyssoides (L.) L. - Pale Madwort

Amaranthus

Amaranthus albus L. - Tumbleweed

Amaranthus blitoides S. Watson - Mat Amaranth

Amaranthus hybridus L. - Smooth Amaranth

Amaranthus retroflexus L. - Red-Root

Amaranthus spinosus L. - Spiny Amaranth

Amaranthus tuberculatus (Moq.) J. D. Sauer - Rough-Fruit Amaranth

Ambrosia

Ambrosia artemisiifolia L. - Annual Ragweed

Ambrosia bidentata Michx. - Lance-Leaf Ragweed

Ambrosia trifida L. - Great Ragweed

Amelanchier

Amelanchier arborea (Michx. f.) Fernald - Intermediate Service-Berry

Amelanchier laevis Wiegand - Allegheny Service-Berry

Amelanchier spicata (Lam.) K. Koch - Running Service-Berry

Ammannia

Ammannia coccinea Rottb. - Valley Redstem

Ammannia robusta Heer & Regel - Grand Redstem

Amorpha

Amorpha fruticosa L. - False Indigo-Bush

Ampelopsis

Ampelopsis cordata Michx. - Heart-Leaf Hop-Peppervine

Amphicarpaea

Amphicarpaea bracteata (L.) Fernald - American Hog-Peanut

Amsonia

Amsonia tabernaemontana Walter - Eastern Bluestar

Amsonia tabernaemontana var. salicifolia (Pursh) Woodson - Eastern Bluestar

Amsonia tabernaemontana var. tabernaemontana - Eastern Bluestar

Anaphalis

Anaphalis margaritacea (L.) Benth. & Hook. f. - Pearly-Everlasting

Andropogon

Andropogon gerardi Vitman - Big Bluestem

Andropogon gyrans Ashe - Elliott's Bluestem

Andropogon gyrans var. gyrans - Elliott's bluestem

Andropogon ternarius Michx. - Split-Beard Bluestem

Andropogon ternarius var. ternarius - Split-Beard Bluestem

Andropogon virginicus L. - Chalky Bluestem

Andropogon virginicus var. virginicus - Chalky Bluestem

Anemone

Anemone acutiloba (DC.) G. Lawson - Sharp-Lobe Hepatica

Anemone americana (DC.) H. Hara - Round-Lobe Hepatica

Anemone canadensis L. - Canadian False Thimbleweed

Anemone quinquefolia L. - Nightcaps

Anemone quinquefolia var. quinquefolia - Nightcaps

Anemone virginiana L. - Tall Thimbleweed

Anemone virginiana var. virginiana - Tall Thimbleweed

Anethum

Anethum graveolens L. - Dill

Angelica

Angelica venenosa (J. Greenway) Fernald - Hairy Angelica

Antennaria

Antennaria howellii Greene - Small Pussytoes

Antennaria howellii subsp. neodioica (Greene) R. J. Bayer - Small Pussytoes

Antennaria neglecta Greene - Field Pussytoes

Antennaria parlinii Fernald - Parlin's Pussytoes

Antennaria parlinii subsp. fallax (Greene) R. J. Bayer & Stebbins - Parlin's Pussytoes

Antennaria parlinii subsp. parlinii - Parlin's Pussytoes

Antennaria plantaginifolia (L.) Hook. - Woman's-Tobacco

Antennaria solitaria Rydb. - Single-Head Pussytoes

Anthemis

Anthemis cotula L. - Stinking Chamomile

Anthoxanthum

Anthoxanthum odoratum L. - Large Sweet Vernal Grass

Apios

Apios americana Medik. - Groundnut

Aplectrum

Aplectrum hyemale (Muhl. ex Willd.) Nutt. - Adam-and-Eve

Apocynum

Apocynum cannabinum L. - Indian-Hemp

Apocynum × floribundum Greene - Hybrid Dogbane

Aquilegia

Aquilegia canadensis L. - Red Columbine

Arabidopsis

Arabidopsis thaliana (L.) Heynh. - Thalecress

Arabis

Arabis patens Sull. - Spreading Eared Rockcress

Aralia

Aralia racemosa L. - American Spikenard

Aralia spinosa L. - Devil's-Walkingstick

Arctium

Arctium lappa L. - Greater Burrdock

Arctium minus (Hill) Bernh. - Lesser Burrdock

Arenaria

Arenaria serpyllifolia L. - Thyme-Leaf Sandwort

Arenaria serpyllifolia var. serpyllifolia - Thyme-Leaf Sandwort

Arisaema

Arisaema dracontium (L.) Schott - Greendragon

Arisaema triphyllum (L.) Schott - Jack-in-the-Pulpit

Aristida

Aristida dichotoma Michx. - Church-Mouse Three-Awn

Aristida dichotoma var. dichotoma - Church-Mouse Three-Awn

Aristida longespica Poir. - Red Three-Awn

Aristida longespica var. longespica - Slim-Spike Three-Awn

Aristida oligantha Michx. - Prairie Three-Awn

Aristida purpurascens Poir. - Arrow-Feather Three-Awn

Aristida purpurascens var. purpurascens - Arrow-Feather Three-Awn

Aristida ramosissima Engelm. ex A. Gray - S-Curve Three-Awn

Armoracia

Armoracia rusticana G. Gaertn., B. Mey. & Scherb. - Horse-Radish

Arnoglossum

Arnoglossum atriplicifolium (L.) H. Rob. - Pale Indian-Plantain

Arnoglossum reniforme (Hook.) H. Rob. - Great Indian-Plantain

Aronia

Aronia melanocarpa (Michx.) Elliott - Black Chokeberry

Arrhenatherum

Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl - Tall Oat Grass

Arrhenatherum elatius subsp. elatius - Tall Oat Grass

Artemisia

Artemisia abrotanum L. - Southern Wormwood

Artemisia annua L. - Annual Wormwood

Artemisia ludoviciana Nutt. - White Sagebrush

Artemisia ludoviciana subsp. ludoviciana - White Sagebrush

Artemisia vulgaris L. - Common Wormwood

Aruncus

Aruncus dioicus (Walter) Fernald - Bride's-Feathers

Aruncus dioicus var. dioicus - Bride's-Feathers

Aruncus dioicus var. pubescens (Rydb.) Fernald - Bride's-Feathers

Arundinaria

Arundinaria gigantea (Walter) Muhl. - Giant Cane

Asarum

Asarum canadense L. - Canadian Wild Ginger

Asclepias

Asclepias amplexicaulis Sm. - Clasping Milkweed

Asclepias exaltata L. - Poke Milkweed

Asclepias hirtella (Pennell) Woodson - Green Milkweed

Asclepias incarnata L. - Swamp Milkweed

Asclepias incarnata subsp. incarnata - Swamp Milkweed

Asclepias perennis Walter - Aquatic Milkweed

Asclepias purpurascens L. - Purple Milkweed

Asclepias quadrifolia Jacq. - Four-Leaf Milkweed

Asclepias sullivantii Engelm. ex A. Gray - Prairie Milkweed

Asclepias syriaca L. - Common Milkweed

Asclepias tuberosa L. - Butterfly Milkweed

Asclepias tuberosa subsp. interior Woodson - Butterfly Milkweed

Asclepias tuberosa subsp. tuberosa - Butterfly Milkweed

Asclepias variegata L. - Red-Ring Milkweed

Asclepias verticillata L. - Whorled Milkweed

Asclepias viridiflora Raf. - Green Comet Milkweed

Asclepias viridis Walter - Green Antelope-Horn

Asimina

Asimina triloba (L.) Dunal - Common Pawpaw

Asparagus

Asparagus officinalis L. - Asparagus

Asplenium

Asplenium bradleyi D. C. Eaton - Bradley's Spleenwort

Asplenium montanum Willd. - Mountain Spleenwort

Asplenium pinnatifidum Nutt. - Lobed Spleenwort

Asplenium platyneuron (L.) Britton, Sterns & Poggenb. - Ebony Spleenwort

Asplenium resiliens Kunze - Black-Stem Spleenwort

Asplenium rhizophyllum L. - Walking Fern

Asplenium trichomanes L. - Maidenhair Spleenwort

Asplenium trichomanes subsp. trichomanes L. - Maidenhair Spleenwort

Asplenium × ebenoides R. R. Scott - Ebony Spleenwort

Asplenium × herb-wagneri W. C. Taylor & Mohlenbr. - Herb's Spleenwort

Asplenium × kentuckiense T. N. McCoy - Kentucky Spleenwort

Aster

Aster tataricus L. f. - Tatarian Aster

Astragalus

Astragalus canadensis L. - Canadian Milk-Vetch

Astragalus canadensis var. canadensis - Canadian Milkvetch

Athyrium

Athyrium filix-femina (L.) Roth - Lady Fern

Athyrium filix-femina var. angustum (Willd.) G. Lawson - Northern Lady Fern

Athyrium filix-femina var. asplenioides (Michx.) Farw. - Lady Fern

Atriplex

Atriplex patula L. - Halberd-Leaf Orache

Atriplex prostrata Boucher ex DC. - Hastate Orache

Aureolaria

Aureolaria flava (L.) Farw. - Smooth Yellow False Foxglove

Aureolaria flava var. flava - Smooth Yellow False Foxglove

Aureolaria flava var. macrantha Pennell - Smooth Yellow False Foxglove

Aureolaria virginica (L.) Pennell - Downy Yellow False Foxglove

Avena

Avena sativa L. - Oat

Bacopa

Bacopa rotundifolia (Michx.) Wettst. - Disk Water-Hyssop

Baptisia

Baptisia alba R.Br. - White Wild Indigo

Baptisia alba var. macrophylla (Larisey) Isely - Largeleaf Wild Indigo

Baptisia australis (L.) R. Br. - Blue Wild Indigo

Baptisia australis var. australis - Blue Wild Indigo

Barbarea

Barbarea verna (Mill.) Asch. - Early Yellow-Rocket

Barbarea vulgaris W. T. Aiton - Garden Yellow-Rocket

Bartonia

Bartonia virginica (L.) Britton, Sterns & Poggenb. - Yellow Screwstem

Belamcanda

Belamcanda chinensis (L.) Redouté - Blackberry-Lily

Bellis

Bellis perennis L. - Lawndaisy

Berberis

Berberis thunbergii DC. - Japanese Barberry

Berberis vulgaris L. - European Barberry

Betula

Betula alleghaniensis Britton - Yellow Birch

Betula nigra L. - River Birch

Bidens

Bidens aristosa (Michx.) Britton - Bearded Beggarticks

Bidens bipinnata L. - Spanish-Needles

Bidens cernua L. - Nodding Burr-Marigold

Bidens connata Muhl. ex Willd. - Purplestem Beggarticks

Bidens frondosa L. - Devil's-Pitchfork

Bidens polylepis S. F. Blake - Bearded Beggarticks

Bidens trichosperma (Michx.) Britton - Crowned Beggarticks

Bidens tripartita L. - Three-Lobe Beggarticks

Bidens vulgata Greene - Tall Beggarticks

Bignonia

Bignonia capreolata L. - Crossvine

Blephilia

Blephilia ciliata (L.) Benth. - Downy Pagoda-Plant

Blephilia hirsuta (Pursh) Benth. - Hairy Pagoda-Plant

Blephilia hirsuta var. hirsuta - Hairy Pagoda-Plant

Boehmeria

Boehmeria cylindrica (L.) Sw. - Small-Spike False Nettle

Bolboschoenus

Bolboschoenus fluviatilis (Torr.) Soják - River Wood Club-Rush

Boltonia

Boltonia asteroides (L.) L'Hér. - White Doll's Daisy

Boltonia asteroides var. recognita (Fernald & Griscom) Cronquist - White Doll's Daisy

Borodinia

Borodinia canadensis (L.) P. J. Alexander & Windham - Sicklepod

Borodinia dentata (Raf.) P. J. Alexander & Windham - Short's False Rockcress

Borodinia laevigata (Muhl. ex Willd.) P. J. Alexander & Windham - Smooth False Rockcress

Botrypus

Botrypus virginianus (L.) Michx. - Rattlesnake Fern

Bouteloua

Bouteloua curtipendula (Michx.) Torr. - Side-Oats Grama

Brachyelytrum

Brachyelytrum erectum P. Beauv. - Bearded Shorthusk

Brasenia

Brasenia schreberi J. F. Gmel. - Watershield

Brassica

Brassica napus L. - Turnip

Brassica nigra (L.) W. D. J. Koch - Black Mustard

Brassica rapa L. - Rape

Brassica rapa subsp. rapa - Field Mustard

Brickellia

Brickellia eupatorioides (L.) Shinners - False Boneset

Brickellia eupatorioides var. eupatorioides - False Boneset

Bromus

Bromus commutatus Schrad. - Meadow Brome

Bromus inermis Leyss. - Smooth Brome

Bromus japonicus Thunb. - Japanese Brome

Bromus latiglumis (Scribn. ex Shear) Hitchc. - Early-Leaf Brome

Bromus nottowayanus Fernald - Nottoway Valley Brome

Bromus pubescens Muhl. ex Willd. - Hairy Woodland Brome

Bromus secalinus L. - Cheat

Bromus sterilis L. - Poverty Brome

Bromus tectorum L. - Cheat Grass

Broussonetia

Broussonetia papyrifera (L.) L'Hér. ex Vent. - Paper-Mulberry

Buddleja

Buddleja davidii Franch. - Orange-Eye Butterfly-Bush

Buglossoides

Buglossoides arvensis (L.) I. M. Johnst. - Corn-Gromwell

Bulbostylis

Bulbostylis capillaris (L.) Kunth ex C. B. Clarke - Dense-Tuft Hair Sedge

Calamagrostis

Calamagrostis canadensis (Michx.) P. Beauv. - Bluejoint

Calamagrostis canadensis var. canadensis - Bluejoint

Calamagrostis porteri A. Gray - Porter's Reed Grass

Calamagrostis porteri subsp. insperata (Swallen) C. W. Greene - Porter's Reed Grass

Callitriche

Callitriche heterophylla Pursh - Greater Water-Starwort

Callitriche heterophylla subsp. heterophylla - Twoheaded Water-Starwort

Callitriche terrestris Raf. - Terrestrial Water-Starwort

Caltha

Caltha palustris L. - Yellow Marsh-Marigold

Calycocarpum

Calycocarpum lyonii (Pursh) A. Gray - Cupseed

Calystegia

Calystegia catesbeiana Pursh - Catesby's False Bindweed

Calystegia sepium (L.) R. Br. - Hedge False Bindweed

Calystegia sepium subsp. angulata Brummitt - Hedge False Bindweed

Calystegia silvatica (Kit.) Griseb. - Short-Stalk False Bindweed

Calystegia silvatica subsp. fraterniflora (Mack. & Bush) Brummitt - Short-Stalk False Bindweed

Calystegia spithamaea (L.) Pursh - Low False Bindweed

Calystegia spithamaea subsp. spithamaea - Low False Bindweed

Camassia

Camassia scilloides (Raf.) Cory - Atlantic Camas

Camelina

Camelina microcarpa Andrz. ex DC. - Little-Pod False Flax

Campanula

Campanula aparinoides Pursh - Marsh Bellflower

Campanula rapunculoides L. - Creeping Bellflower

Campanula trachelium L. - Bats-in-the-Belfry

Campanulastrum

Campanulastrum americanum (L.) Small - American-Bellflower

Campsis

Campsis radicans (L.) Seem. ex Bureau - Trumpet-Creeper

Cannabis

Cannabis sativa L. - Hemp

Capsella

Capsella bursa-pastoris (L.) Medik. - Shepherd's-Purse

Cardamine

Cardamine angustata O. E. Schulz - Slender Toothwort

Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. - Bulbous Bittercress

Cardamine concatenata (Michx.) O. Schwarz - Cut-Leaf Toothwort

Cardamine diphylla (Michx.) Alph. Wood - Crinkleroot

Cardamine douglassii Britton - Limestone Bittercress

Cardamine hirsuta L. - Hairy Bittercress

Cardamine parviflora L. - Sand Bittercress

Cardamine pensylvanica Muhl. ex Willd. - Quaker Bittercress

Cardiospermum

Cardiospermum halicacabum L. - Love-in-a-Puff

Carduus

Carduus nutans L. - Nodding Plumeless-Thistle

Carex

Carex aggregata Mack. - Glomerate Sedge

Carex albicans Willd. ex Spreng. - White-Tinge Sedge

Carex albicans var. albicans - White-Tinge Sedge

Carex albicans var. emmonsii (Dewey ex Torr.) Rettig - Emmon's sedge

Carex albolutescens Schwein. - Green-White Sedge

Carex albursina E. Sheld. - White Bear Sedge

Carex amphibola Steud. - Eastern Narrow-Leaf Sedge

Carex annectens (E. P. Bicknell) E. P. Bicknell - Yellow-Fruit Sedge

Carex atlantica L. H. Bailey - Prickly Bog Sedge

Carex atlantica subsp. atlantica - Atlantic Sedge

Carex blanda Dewey - Eastern Woodland Sedge

Carex bromoides Schkuhr ex Willd. - Brome-Like Sedge

Carex bromoides subsp. bromoides - Brome-Like Sedge

Carex buxbaumii Wahlenb. - Brown Bog Sedge

Carex careyana Torr. ex Dewey - Carey's Sedge

Carex caroliniana Schwein. - Carolina Sedge

Carex cephalophora Muhl. ex Willd. - Oval-Headed Sedge

Carex communis L. H. Bailey - Fibrous-Root Sedge

Carex conjuncta Boott - Soft Fox Sedge

Carex crawei Dewey - Crawe's Sedge

Carex crinita Lam. - Fringed Sedge

Carex crinita var. crinita - Fringed Sedge

Carex cristatella Britton - Crested Sedge

Carex crus-corvi Shuttlew. ex Kunze - Raven-Foot Sedge

Carex cumberlandensis Naczi, Kral & Bryson - Cumberland Sedge

Carex davisii Schwein. & Torr. - Davis' Sedge

Carex debilis Michx. - White-Edge Sedge

Carex debilis var. debilis - White-Edge Sedge

Carex debilis var. rudgei L. H. Bailey - White-Edge Sedge

Carex decomposita Muhl. - Cypress-Knee Sedge

Carex digitalis Willd. - Slender Woodland Sedge

Carex digitalis var. digitalis - Slender Woodland Sedge

Carex digitalis var. macropoda Fernald - Slender Woodland Sedge

Carex eburnea Boott - Bristle-Leaf Sedge

Carex echinodes (Fernald) P. Rothr., Reznicek & Hipp - Marsh Straw Sedge

Carex festucacea Schkuhr ex Willd. - Fescue Sedge

Carex frankii Kunth - Frank's Sedge

Carex gigantea Rudge - Giant Sedge

Carex glaucodea Tuck. ex Olney - Blue Sedge

Carex gracilescens Steud. - Slender Loose-Flower Sedge

Carex gracillima Schwein. - Graceful Sedge

Carex granularis Muhl. ex Willd. - Limestone-Meadow Sedge

Carex grayi J. Carey - Gray's Sedge

Carex grisea Wahlenb. - Inflated Narrow-Leaf Sedge

Carex hirsutella Mack. - Fuzzy-Wuzzy Sedge

Carex hirtifolia Mack. - Pubescent Sedge

Carex hitchcockiana Dewey - Hitchcock's Sedge

Carex hyalinolepis Steud. - Shoreline Sedge

Carex hystericina Muhl. ex Willd. - Porcupine Sedge

Carex interior L. H. Bailey - Inland Sedge

Carex intumescens Rudge - Greater Bladder Sedge

Carex jamesii Schwein. - James' Sedge

Carex kraliana Naczi & Bryson - Kral's Sedge

Carex lacustris Willd. - Lakebank Sedge

Carex laevivaginata (Kük.) Mack. - Smooth-Sheath Sedge

Carex laxiculmis Schwein. - Spreading Sedge

Carex laxiculmis var. copulata (L. H. Bailey) Fernald - Spreading Sedge

Carex laxiculmis var. laxiculmis - Spreading Sedge

Carex laxiflora Lam. - Broad Loose-Flower Sedge

Carex leavenworthii Dewey - Leavenworth's Sedge

Carex leptalea Wahlenb. - Bristly-Stalk Sedge

Carex leptalea subsp. harperi (Fernald) W. Stone - Bristly-Stalk Sedge

Carex louisianica L. H. Bailey - Louisiana Sedge

Carex lupuliformis Sartwell ex Dewey - False Hop Sedge

Carex lupulina Muhl. ex Willd. - Hop Sedge

Carex lurida Wahlenb. - Sallow Sedge

Carex molesta Mack. ex Bright - Troublesome Sedge

Carex muehlenbergii Schkuhr ex Willd. - Muhlenberg's Sedge

Carex muehlenbergii var. enervis Boott - Muhlenberg's Sedge

Carex muskingumensis Schwein. - Muskingum Sedge

Carex normalis Mack. - Greater Straw Sedge

Carex oligocarpa Schkuhr ex Willd. - Richwoods Sedge

Carex pellita Muhl. ex Willd. - Woolly Sedge

Carex picta Steud. - Boott's Sedge

Carex planispicata Naczi - Flat-Spiked Sedge

Carex plantaginea Lam. - Plantain-Leaf Sedge

Carex platyphylla J. Carey - Broad-Leaf Sedge

Carex prasina Wahlenb. - Drooping Sedge

Carex radiata (Wahlenb.) Small - Eastern Star Sedge

Carex retroflexa Muhl. ex Willd. - Reflexed Sedge

Carex rosea Schkuhr ex Willd. - Rosy Sedge

Carex scoparia Schkuhr ex Willd. - Pointed Broom Sedge

Carex shortiana Dewey - Short's Sedge

Carex sparganioides Muhl. ex Willd. - Burr-Reed Sedge

Carex spicata Huds. - Prickly Sedge

Carex squarrosa L. - Squarrose Sedge

Carex sterilis Willd. - Dioecious Sedge

Carex stipata Muhl. ex Willd. - Stalk-Grain Sedge

Carex stipata var. stipata - Stalk-Grain Sedge

Carex straminea Willd. - Eastern Straw Sedge

Carex stricta Lam. - Uptight Sedge

Carex swanii (Fernald) Mack. - Swan's Sedge

Carex timida Naczi & B. A. Ford - Timid Sedge

Carex torta Boott - Twisted Sedge

Carex tribuloides Wahlenb. - Blunt Broom Sedge

Carex tribuloides var. tribuloides - Blunt Broom Sedge

Carex typhina Michx. - Cat-Tail Sedge

Carex umbellata Schkuhr ex Willd. - Parasol Sedge

Carex utriculata Boott - Northwest Territory Sedge

Carex virescens Muhl. ex Willd. - Ribbed Sedge

Carex vulpinoidea Michx. - Common Fox Sedge

Carex willdenowii Schkuhr ex Willd. - Willdenow's Sedge

Carex woodii Dewey - Pretty Sedge

Carpinus

Carpinus caroliniana Walter - American Hornbeam

Carpinus caroliniana subsp. virginiana (Marshall) Furlow - American Hornbeam

Carya

Carya cordiformis (Wangenh.) K. Koch - Bitter-Nut Hickory

Carya glabra (Mill.) Sweet - Pignut Hickory

Carya illinoinensis (Wangenh.) K. Koch - Pecan

Carya laciniosa (Michx. f.) G. Don - Shell-Bark Hickory

Carya ovata (Mill.) K. Koch - Shag-Bark Hickory

Carya tomentosa (Poir.) Nutt. - Mockernut Hickory

Castanea

Castanea dentata (Marshall) Borkh. - American Chestnut

Catalpa

Catalpa bignonioides Walter - Southern Catalpa

Catalpa speciosa (Warder) Warder ex Engelm. - Northern Catalpa

Caulophyllum

Caulophyllum giganteum (Farw.) Loconte & W. H. Blackw. - Giant Blue Cohosh

Caulophyllum thalictroides (L.) Michx. - Blue Cohosh

Ceanothus

Ceanothus americanus L. - New Jersey-Tea

Celastrus

Celastrus orbiculatus Thunb. - Asian Bittersweet

Celastrus scandens L. - American Bittersweet

Celtis

Celtis laevigata Willd. - Sugar-Berry

Celtis occidentalis L. - Common Hackberry

Celtis tenuifolia Nutt. - Dwarf Hackberry

Cenchrus

Cenchrus longispinus (Hack.) Fernald - Innocent-Weed

Centaurea

Centaurea jacea L. - Brown-Ray Knapweed

Centaurea nigrescens Willd. - Tyrol Knapweed

Centaurea stoebe L. - Spotted Knapweed

Centaurea stoebe subsp. micranthos (S. G. Gmel. ex Gugler) Hayek - Spotted Knapweed

Cephalanthus

Cephalanthus occidentalis L. - Common Buttonbush

Cerastium

Cerastium brachypetalum Pers. - Gray Mouse-Ear Chickweed

Cerastium dubium (Bast.) Guépin - Doubtful Mouse-Ear Chickweed

Cerastium fontanum Baumg. - Common Mouse-Ear Chickweed

Cerastium fontanum subsp. vulgare (Hartm.) Greuter & Burdet - Common Mouse-Ear Chickweed

Cerastium glomeratum Thuill. - Sticky Mouse-Ear Chickweed

Cerastium nutans Raf. - Nodding Mouse-Ear Chickweed

Cerastium pumilum W. Curtis - European Mouse-Ear Chickweed

Ceratocephala

Ceratocephala testiculata (Crantz) Besser - Curve-Seed-Butterwort

Ceratophyllum

Ceratophyllum demersum L. - Coon's-Tail

Cercis

Cercis canadensis L. - Redbud

Cercis canadensis var. canadensis - Eastern Redbud

Chaenorhinum

Chaenorhinum minus (L.) Lange - Dwarf-Snapdragon

Chaerophyllum

Chaerophyllum procumbens (L.) Crantz - Spreading Chervil

Chaerophyllum procumbens var. procumbens - Spreading Chervil

Chaerophyllum tainturieri Hook. - Hairy-Fruit Chervil

Chamaecrista

Chamaecrista fasciculata (Michx.) Greene - Sleepingplant

Chamaecrista fasciculata var. fasciculata - Showy Partridge-Pea

Chamaecrista nictitans (L.) Moench - Partridge-Pea

Chamaecrista nictitans var. nictitans - Sensitive Partridge-Pea

Chamaelirium

Chamaelirium luteum (L.) A. Gray - Fairywand

Chamaenerion

Chamaenerion angustifolium (L.) Scop. - Narrow-Leaf Fireweed

Chamaenerion angustifolium subsp. circumvagum (Mosquin) Moldenke - Narrow-Leaf Fireweed

Chasmanthium

Chasmanthium latifolium (Michx.) H. O. Yates - Indian Wood-Oats

Chelone

Chelone glabra L. - White Turtlehead

Chelone obliqua L. - Red Turtlehead

Chelone obliqua var. speciosa Pennell & Wherry - Red Turtlehead

Chenopodiastrum

Chenopodiastrum simplex (Torr.) S. Fuentes-B., Uotila & Borsch - Giant-Seed Mock Goosefoot

Chenopodium

Chenopodium album L. - Lamb's-Quarters

Chenopodium berlandieri Moq. - Pit-Seed Goosefoot

Chenopodium berlandieri var. bushianum (Aellen) Cronquist - Pitseed Goosefoot

Chenopodium berlandieri var. zschackei (Murr) Murr ex Gräben. - Zschack's Goosefoot

Chenopodium glaucum L. - Oak-Leaf Eurasian-Goosefoot

Chenopodium glaucum var. glaucum - Oak-Leaf Eurasian-Goosefoot

Chenopodium pallescens Standl. - Slim-Leaf Goosefoot

Chenopodium standleyanum Aellen - Standley's Goosefoot

Chenopodium urbicum L. - City Eurasian-Goosefoot

Chimaphila

Chimaphila maculata (L.) Pursh - Striped Prince's-Pine

Chionanthus

Chionanthus virginicus L. - White Fringetree

Cichorium

Cichorium intybus L. - Chicory

Cicuta

Cicuta maculata L. - Spotted Water-Hemlock

Cinna

Cinna arundinacea L. - Sweet Wood-Reed

Circaea

Circaea canadensis (L.) Hill - Broad-Leaf Enchanter's-Nightshade

Cirsium

Cirsium altissimum (L.) Spreng. - Tall Thistle

Cirsium arvense (L.) Scop. - Canadian Thistle

Cirsium carolinianum (Walter) Fernald & B. G. Schub. - Soft Thistle

Cirsium discolor (Muhl. ex Willd.) Spreng. - Field Thistle

Cirsium muticum Michx. - Swamp Thistle

Cirsium vulgare (Savi) Ten. - Bull Thistle

Citrullus

Citrullus lanatus (Thunb.) Matsum. & Nakai - Stockmelon

Cladrastis

Cladrastis kentukea (Dum. Cours.) Rudd - Kentucky Yellow-Wood

Claytonia

Claytonia virginica L. - Virginia Springbeauty

Clematis

Clematis pitcheri Torr. & A. Gray - Bluebill

Clematis pitcheri var. pitcheri - Bluebill

Clematis terniflora DC. - Sweet Autumn Virgin's-Bower

Clematis viorna L. - Vasevine

Clematis virginiana L. - Devil's-Darning-Needles

Clinopodium

Clinopodium vulgare L. - Wild Basil

Clitoria

Clitoria mariana L. - Atlantic Pigeonwings

Cocculus

Cocculus carolinus (L.) DC. - Carolina Coralbead

Coleataenia

Coleataenia anceps (Michx.) Soreng - Beaked Cut-Throat Grass

Coleataenia anceps subsp. anceps - Beaked Cut-Throat Grass

Coleataenia rigidula (Bosc ex Nees) LeBlond - Red-Top Cut-Throat Grass

Coleataenia rigidula subsp. rigidula - Red-Top Cut-Throat Grass

Coleataenia stipitata (Nash) LeBlond - Stipitate Cut-Throat Grass

Collinsia

Collinsia verna Nutt. - Spring Blue-Eyed Mary

Collinsonia

Collinsonia canadensis L. - Richweed

Comandra

Comandra umbellata (L.) Nutt. - Bastard-Toadflax

Comandra umbellata subsp. umbellata - Bastard-Toadflax

Commelina

Commelina communis L. - Asiatic Dayflower

Commelina diffusa Burm. f. - Climbing Dayflower

Commelina diffusa var. diffusa - Climbing Dayflower

Commelina virginica L. - Virginia Dayflower

Conium

Conium maculatum L. - Poison-Hemlock

Conoclinium

Conoclinium coelestinum (L.) DC. - Blue Mistflower

Conopholis

Conopholis americana (L.) Wallr. - American cancer-root

Conringia

Conringia orientalis (L.) Dumort. - Hare's-Ear-Mustard

Consolida

Consolida ajacis (L.) Schur - Doubtful Knight's-Spur

Convolvulus

Convolvulus arvensis L. - Field Bindweed

Conyza

Conyza canadensis (L.) Cronquist - Canadian Horseweed

Conyza ramosissima Cronquist - Dwarf Horseweed

Corallorhiza

Corallorhiza maculata (Raf.) Raf. - Summer Coralroot

Corallorhiza maculata var. maculata - Summer Coralroot

Corallorhiza odontorhiza (Willd.) Poir. - Autumn Coralroot

Corallorhiza wisteriana Conrad - Spring Coralroot

Coreopsis

Coreopsis lanceolata L. - Lance-Leaf Tickseed

Coreopsis tripteris L. - Tall Tickseed

Cornus

Cornus alternifolia L. f. - Alternate-Leaf Dogwood

Cornus amomum Mill. - Silky Dogwood

Cornus drummondii C. A. Mey. - Rough-Leaf Dogwood

Cornus florida L. - Flowering Dogwood

Cornus foemina Mill. - Stiff Dogwood

Cornus obliqua Raf. - Pale Dogwood

Cornus racemosa Lam. - Gray Dogwood

Cornus sericea L. - Red Osier

Corydalis

Corydalis flavula (Raf.) DC. - Yellow Fumewort

Corylus

Corylus americana Walter - American Hazelnut

Cosmos

Cosmos bipinnatus Cav. - Garden Cosmos

Cotoneaster

Cotoneaster horizontalis Decne. - Rockspray Cotoneaster

Crataegus

Crataegus calpodendron (Ehrh.) Medik. - Pear Hawthorn

Crataegus coccinea L. - Scarlet Hawthorn

Crataegus crus-galli L. - Cock-Spur Hawthorn

Crataegus macrosperma Ashe - Big-Fruit Hawthorn

Crataegus margarettae Ashe - Margarett's Hawthorn

Crataegus mollis (Torr. & A. Gray) Scheele - Downy Hawthorn

Crataegus prona Ashe - Illinois Hawthorn

Crataegus pruinosa (H. L. Wendl.) K. Koch - Waxy-Fruit Hawthorn

Crataegus punctata Jacq. - Dotted Hawthorn

Crataegus rubella Beadle - Rosy Hawthorn

Crataegus succulenta Schrad. ex Link - Bicknell's Hawthorn

Crataegus viridis L. - Green Hawthorn

Crataegus viridis var. viridis - Green Hawthorn

Crataegus × incaedua Sarg. - Hybrid Hawthorn

Crepidomanes

Crepidomanes intricatum (Farrar) Ebihara & Weakley - Weft Fern

Crotalaria

Crotalaria sagittalis L. - Arrow-Head Rattlebox

Croton

Croton capitatus Michx. - Hogwort

Croton glandulosus L. - Vente-Conmigo

Croton glandulosus var. septentrionalis Müll.Arg. - Vente-Conmigo

Croton monanthogynus Michx. - Prairie-Tea

Cruciata

Cruciata pedemontana (Bellardi) Ehrend. - Piedmont-Bedstraw

Cryptotaenia

Cryptotaenia canadensis (L.) DC. - Canadian Honewort

Cucumis

Cucumis metuliferus Naudin - African Horned Cucumber

Cucurbita

Cucurbita foetidissima Kunth - Missouri Gourd

Cunila

Cunila origanoides (L.) Britton - Common Dittany

Cuphea

Cuphea viscosissima Jacq. - Blue Waxweed

Cuscuta

Cuscuta campestris Yunck. - Field Dodder

Cuscuta compacta Juss. ex Choisy - Compact Dodder

Cuscuta coryli Engelm. - Hazel Dodder

Cuscuta gronovii Willd. ex Schult. - Scaldweed

Cuscuta gronovii var. gronovii - Scaldweed

Cuscuta polygonorum Engelm. - Smartweed Dodder

Cycloloma

Cycloloma atriplicifolium (Spreng.) J. M. Coult. - Winged-Pigweed

Cynanchum

Cynanchum laeve (Michx.) Pers. - Honeyvine

Cynoglossum

Cynoglossum officinale L. - Hound's-Tongue

Cynoglossum virginianum L. - Wild Comfrey

Cynoglossum virginianum var. virginianum - Southern Wild Comfrey

Cyperus

Cyperus acuminatus Torr. & Hook. - Taper-Tip Flat Sedge

Cyperus bipartitus Torr. - Shining Flat Sedge

Cyperus echinatus (L.) Alph. Wood - Globe Flat Sedge

Cyperus erythrorhizos Muhl. - Red-Root Flat Sedge

Cyperus esculentus L. - Chufa

Cyperus esculentus var. leptostachyus Boeckeler - Chufa

Cyperus flavescens L. - Yellow Flat Sedge

Cyperus odoratus L. - Rusty Flat Sedge

Cyperus squarrosus L. - Awned Flat Sedge

Cyperus strigosus L. - Straw-Color Flat Sedge

Cypripedium

Cypripedium parviflorum Salisb. - Yellow Lady's-Slipper

Cypripedium parviflorum var. pubescens (Willd.) O. W. Knight - Greater Yellow Lady's-Slipper

Cypripedium reginae Walter - Showy Lady's-Slipper

Cystopteris

Cystopteris bulbifera (L.) Bernh. - Bulblet Bladder Fern

Cystopteris protrusa (Weath.) Blasdell - Lowland Bladder Fern

Cystopteris tenuis (Michx.) Desv. - Upland Brittle Bladder Fern

Cystopteris × tennesseensis Shaver - Tennessee Bladder Fern

Dactylis

Dactylis glomerata L. - Orchard Grass

Dalea

Dalea purpurea Vent. - Violet Prairie-Clover

Danthonia

Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. - Poverty Wild Oat Grass

Dasistoma

Dasistoma macrophylla (Nutt.) Raf. - Mullein-Foxglove

Datura

Datura stramonium L. - Jimsonweed

Datura wrightii Regel - Sacred Thorn-Apple

Daucus

Daucus carota L. - Queen Anne's-Lace

Decodon

Decodon verticillatus (L.) Elliott - Swamp-Loosestrife

Delphinium

Delphinium tricorne Michx. - Dwarf Larkspur

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