Consortium of Midwest HerbariaResearch Checklist: Ecoregion: Southern Bottomlands & Southwestern Lowlands

Ecoregion: Southern Bottomlands & Southwestern Lowlands

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Families: 145

Genera: 623

Species: 1471

Total Taxa (details): 1546

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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 platanoides L. - Norway 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 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

Acmispon

Acmispon americanus (Nutt.) Rydb. - American Deerweed

Acmispon americanus var. americanus - American Bird's-Foot Trefoil

Acorus

Acorus calamus L. - Single-Vein Sweetflag

Actaea

Actaea pachypoda Elliott - White Baneberry

Actaea rubifolia (Kearney) Kartesz - Appalachian Bugbane

Adiantum

Adiantum pedatum L. - Northern Maidenhair

Aegilops

Aegilops cylindrica Host - Jointed Goat Grass

Aesculus

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 purpurea (L.) Pennell - Purple 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

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

Ajuga

Ajuga reptans L. - Carpet Bugle

Albizia

Albizia julibrissin Durazz. - Silktree

Alcea

Alcea rosea L. - Hollyhock

Alisma

Alisma subcordatum Raf. - American Water-Plantain

Alliaria

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

Allium

Allium canadense L. - Meadow Garlic

Allium canadense var. canadense - Meadow Garlic

Allium vineale L. - Crow Garlic

Alnus

Alnus glutinosa (L.) Gaertn. - European Alder

Alnus serrulata (Aiton) Willd. - Brookside Alder

Alopecurus

Alopecurus aequalis Sobol. - Short-Awn Meadow-Foxtail

Alopecurus aequalis var. aequalis - Short-Awn Meadow-Foxtail

Alopecurus carolinianus Walter - Tufted Meadow-Foxtail

Amaranthus

Amaranthus albus L. - Tumbleweed

Amaranthus blitoides S. Watson - Mat Amaranth

Amaranthus hybridus L. - Smooth Amaranth

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 psilostachya DC. - Perennial Ragweed

Ambrosia trifida L. - Great Ragweed

Amelanchier

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

Ammannia

Ammannia coccinea Rottb. - Valley Redstem

Ammannia robusta Heer & Regel - Grand Redstem

Amorpha

Amorpha canescens Pursh - Leadplant

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

Andropogon

Andropogon gerardi Vitman - Big Bluestem

Andropogon gyrans Ashe - Elliott's Bluestem

Andropogon gyrans var. gyrans - Elliott's bluestem

Andropogon virginicus L. - Chalky Bluestem

Andropogon virginicus var. virginicus - Chalky Bluestem

Androsace

Androsace occidentalis Pursh - Western Rock-Jasmine

Anemone

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

Anemone canadensis L. - Canadian False Thimbleweed

Anemone caroliniana Walter - Carolina Thimbleweed

Anemone virginiana L. - Tall Thimbleweed

Anemone virginiana var. virginiana - Tall Thimbleweed

Angelica

Angelica venenosa (J. Greenway) Fernald - Hairy Angelica

Antennaria

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

Anthemis

Anthemis cotula L. - Stinking Chamomile

Apios

Apios americana Medik. - Groundnut

Aplectrum

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

Apocynum

Apocynum cannabinum L. - Indian-Hemp

Aquilegia

Aquilegia canadensis L. - Red Columbine

Arabidopsis

Arabidopsis thaliana (L.) Heynh. - Thalecress

Arabis

Arabis pycnocarpa M. Hopkins - Hairy Eared Rockcress

Arabis pycnocarpa var. adpressipilis M. Hopkins - Hairy Eared Rockcress

Aralia

Aralia racemosa L. - American Spikenard

Aralia spinosa L. - Devil's-Walkingstick

Arctium

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

Arnoglossum

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

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

Aronia

Aronia × prunifolia (Marshall) Rehder - Purple Chokeberry

Arrhenatherum

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

Arrhenatherum elatius subsp. elatius - Tall Oat Grass

Artemisia

Artemisia absinthium L. - Oldman

Artemisia annua L. - Annual Wormwood

Artemisia biennis Willd. - Biennial 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. 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 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 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

Asimina

Asimina triloba (L.) Dunal - Common Pawpaw

Asparagus

Asparagus officinalis L. - Asparagus

Asplenium

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

Asplenium rhizophyllum L. - Walking Fern

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

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

Azolla

Azolla cristata Kaulf. - Crested Mosquito Fern

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

Barbarea

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

Belamcanda

Belamcanda chinensis (L.) Redouté - Blackberry-Lily

Berberis

Berberis thunbergii DC. - Japanese Barberry

Besseya

Besseya bullii (Eaton) Rydb. - Bull's Coraldrops

Betula

Betula nigra L. - River Birch

Bidens

Bidens aristosa (Michx.) Britton - Bearded Beggarticks

Bidens bipinnata L. - Spanish-Needles

Bidens cernua L. - Nodding Burr-Marigold

Bidens discoidea (Torr. & A. Gray) Britton - Small 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

Boltonia diffusa Elliott - Small-Head 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

Brassica

Brassica rapa L. - Rape

Brassica rapa subsp. rapa - Field Mustard

Brickellia

Brickellia eupatorioides (L.) Shinners - False Boneset

Brickellia eupatorioides var. corymbulosa (Torr. & A. Gray) Shinners - False Boneset

Brickellia eupatorioides var. eupatorioides - False Boneset

Bromus

Bromus commutatus Schrad. - Meadow Brome

Bromus japonicus Thunb. - Japanese Brome

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

Bromus pubescens Muhl. ex Willd. - Hairy Woodland Brome

Bromus racemosus L. - Bald Brome

Bromus secalinus L. - Rye Brome

Bromus sterilis L. - Poverty Brome

Bromus tectorum L. - Cheat Grass

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

Callirhoe

Callirhoe involucrata (Torr. & A. Gray) A. Gray - Purple Poppy-Mallow

Callirhoe involucrata var. involucrata - Purple Poppy-Mallow

Callirhoe triangulata (Leavenworth) A. Gray - Clustered Poppy-Mallow

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. americana (Sims) Brummitt - 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

Camassia

Camassia scilloides (Raf.) Cory - Atlantic Camas

Camelina

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

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

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 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 aureolensis Steud. - Golden Cat-Tail Sedge

Carex blanda Dewey - Eastern Woodland Sedge

Carex brevior (Dewey) Mack. ex Lunell - Short-Beak Sedge

Carex bromoides Schkuhr ex Willd. - Brome-Like Sedge

Carex bromoides subsp. bromoides - Brome-Like Sedge

Carex bushii Mack. - Bush's 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 conoidea Schkuhr ex Willd. - Open-Field Sedge

Carex corrugata Fernald - Prune-Fruit 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 davisii Schwein. & Torr. - Davis' Sedge

Carex digitalis Willd. - Slender Woodland Sedge

Carex digitalis var. digitalis - Slender Woodland Sedge

Carex digitalis var. macropoda Fernald - Slender Woodland 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 granularis Muhl. ex Willd. - Limestone-Meadow Sedge

Carex gravida L. H. Bailey - Heavy Sedge

Carex grayi J. Carey - Gray's Sedge

Carex grisea Wahlenb. - Inflated Narrow-Leaf Sedge

Carex haydenii Dewey - Cloud Sedge

Carex hirsutella Mack. - Fuzzy-Wuzzy Sedge

Carex hirtifolia Mack. - Pubescent Sedge

Carex hitchcockiana Dewey - Hitchcock's Sedge

Carex hyalinolepis Steud. - Shoreline Sedge

Carex interior L. H. Bailey - Inland Sedge

Carex intumescens Rudge - Greater Bladder Sedge

Carex jamesii Schwein. - James' 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 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 meadii Dewey - Mead's Sedge

Carex mesochorea Mack. - Midland 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 muehlenbergii var. muehlenbergii - Muhlenberg's Sedge

Carex muskingumensis Schwein. - Muskingum Sedge

Carex normalis Mack. - Greater Straw Sedge

Carex oklahomensis Mack. - Oklahoma Sedge

Carex oligocarpa Schkuhr ex Willd. - Richwoods Sedge

Carex pellita Muhl. ex Willd. - Woolly Sedge

Carex pensylvanica Lam. - Pennsylvania Sedge

Carex prairea Dewey - Prairie 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 socialis Mohlenbr. & Schwegman - Low Woodland Sedge

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

Carex squarrosa L. - Squarrose Sedge

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

Carex stipata var. maxima Chapm. ex Boott - Stalk-Grain Sedge

Carex stipata var. stipata - Stalk-Grain Sedge

Carex stricta Lam. - Uptight Sedge

Carex suberecta (Olney) Britton - Prairie Straw Sedge

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

Carex texensis (Torr. ex L. H. Bailey) L. H. Bailey - Texas Sedge

Carex tribuloides Wahlenb. - Blunt Broom Sedge

Carex tribuloides var. sangamonensis Clokey - Blunt Broom Sedge

Carex tribuloides var. tribuloides - Blunt Broom Sedge

Carex typhina Michx. - Cat-Tail Sedge

Carex umbellata Schkuhr ex Willd. - Parasol Sedge

Carex virescens Muhl. ex Willd. - Ribbed Sedge

Carex vulpinoidea Michx. - Common Fox Sedge

Carex willdenowii Schkuhr ex Willd. - Willdenow's Sedge

Carex × deamii F. J. Herm. - Hybrid Sedge

Carex × subimpressa Clokey - Hybrid 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 pallida (Ashe) Engl. & Graebn. - Sand Hickory

Carya tomentosa (Poir.) Nutt. - Mockernut Hickory

Carya × brownii Sarg. - Hybrid Hickory

Carya × nussbaumeri Sarg. - Hybrid Hickory

Carya × schneckii Sarg. - Hybrid Hickory

Catalpa

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

Caulophyllum

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 cyanus L. - Garden Cornflower

Centaurea solstitialis L. - Yellow Star-Thistle

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 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

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

Chamaemelum

Chamaemelum nobile (L.) All. - Garden Dog-Fennel

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 murale (L.) S. Fuentes-B, Uotila & Borsch - Nettle-Leaf Mock Goosefoot

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 standleyanum Aellen - Standley's Goosefoot

Chenopodium urbicum L. - City Eurasian-Goosefoot

Chloris

Chloris verticillata Nutt. - Tumble Windmill Grass

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 vulgare (Savi) Ten. - Bull Thistle

Citrullus

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

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

Coeloglossum

Coeloglossum viride (L.) Hartm. - Long-Bract Frog Orchid

Coeloglossum viride var. virescens (Muhl. ex Willd.) Luer - Long-Bract Frog Orchid

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

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 erecta L. - White-Mouth 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 Squawroot

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 odontorhiza (Willd.) Poir. - Autumn Coralroot

Corallorhiza wisteriana Conrad - Spring Coralroot

Coreopsis

Coreopsis lanceolata L. - Lance-Leaf Tickseed

Coreopsis tinctoria Nutt. - Golden Tickseed

Coreopsis tripteris L. - Tall Tickseed

Cornus

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

Corydalis

Corydalis flavula (Raf.) DC. - Yellow Fumewort

Corylus

Corylus americana Walter - American Hazelnut

Cotinus

Cotinus coggygria Scop. - European Smoketree

Crataegus

Crataegus biltmoreana Beadle - Biltmore Hawthorn

Crataegus calpodendron (Ehrh.) Medik. - Pear Hawthorn

Crataegus coccinea L. - Scarlet Hawthorn

Crataegus crus-galli L. - Cock-Spur Hawthorn

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

Crataegus phaenopyrum (L. f.) Medik. - Washington Hawthorn

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

Crataegus punctata Jacq. - Dotted Hawthorn

Crataegus viridis L. - Green Hawthorn

Crataegus viridis var. viridis - Green Hawthorn

Crataegus × disperma Ashe - Hybrid Hawthorn

Crepis

Crepis pulchra L. - Small-Flower Hawk's-Beard

Crocanthemum

Crocanthemum bicknellii (Fernald) Janch. - Hoary Frostweed

Crocanthemum canadense (L.) Britton - Long-Branch Frostweed

Crotalaria

Crotalaria sagittalis L. - Arrow-Head Rattlebox

Croton

Croton glandulosus L. - Vente-Conmigo

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

Croton michauxii G.L. Webster - Egg-Leaf Rushfoil

Croton michauxii var. ellipticus (Willd.) B. W. van Ee & P. E. Berry - Michaux's croton

Croton monanthogynus Michx. - Prairie-Tea

Cruciata

Cruciata pedemontana (Bellardi) Ehrend. - Piedmont-Bedstraw

Cryptotaenia

Cryptotaenia canadensis (L.) DC. - Canadian Honewort

Cunila

Cunila origanoides (L.) Britton - Common Dittany

Cuphea

Cuphea viscosissima Jacq. - Blue Waxweed

Cuscuta

Cuscuta campestris Yunck. - Field Dodder

Cuscuta cephalanthi Engelm. - Buttonbush Dodder

Cuscuta compacta Juss. ex Choisy - Compact Dodder

Cuscuta coryli Engelm. - Hazel Dodder

Cuscuta cuspidata Engelm. - Cusp Dodder

Cuscuta glomerata Choisy - Rope Dodder

Cuscuta gronovii Willd. ex Schult. - Scaldweed

Cuscuta gronovii var. gronovii - Scaldweed

Cuscuta pentagona Engelm. - Bush-Clover Dodder

Cuscuta polygonorum Engelm. - Smartweed Dodder

Cycloloma

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

Cynanchum

Cynanchum laeve (Michx.) Pers. - Honeyvine

Cynodon

Cynodon dactylon (L.) Pers. - Bermuda Grass

Cynoglossum

Cynoglossum officinale L. - Gypsy-Flower

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 iria L. - Ricefield Flat Sedge

Cyperus lupulinus (Spreng.) Marcks - Great Plains Flat Sedge

Cyperus lupulinus subsp. lupulinus - Great Plains Flat Sedge

Cyperus lupulinus subsp. macilentus (Fernald) Marcks - Great Plains Flat Sedge

Cyperus odoratus L. - Rusty Flat Sedge

Cyperus pseudovegetus Steud. - Marsh 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

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 candida Michx. ex Willd. - White Prairie-Clover

Dalea candida var. candida - White Prairie Clover

Dalea leporina (Aiton) Bullock - Fox-Tail Prairie-Clover

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

Daucus

Daucus carota L. - Queen Anne's-Lace

Decodon

Decodon verticillatus (L.) Elliott - Swamp-Loosestrife

Delphinium

Delphinium tricorne Michx. - Dwarf Larkspur

Deparia

Deparia acrostichoides (Sw.) M. Kato - Silvery-Spleenwort

Descurainia

Descurainia pinnata (Walter) Britton - Western Tansy-Mustard

Descurainia pinnata subsp. brachycarpa (Richardson) Detling - Western Tansy-Mustard

Desmanthus

Desmanthus illinoensis (Michx.) MacMill. ex B. L. Rob. & Fernald - Prairie Bundle-Flower

Desmodium

Desmodium canadense (L.) DC. - Showy Tick-Trefoil

Desmodium canescens (L.) DC. - Hoary Tick-Trefoil

Desmodium ciliare (Muhl. ex Willd.) DC. - Hairy Small-Leaf Tick-Trefoil

Desmodium cuspidatum (Muhl. ex Willd.) Loudon - Large-Bract Tick-Trefoil

Desmodium cuspidatum var. cuspidatum - Large-Bract Tick-Trefoil

Desmodium cuspidatum var. longifolium (Torr. & A. Gray) B. G. Schub. - Large-Bract Tick-Trefoil

Desmodium glabellum (Michx.) DC. - Dillenius' Tick-Trefoil

Desmodium marilandicum (L.) DC. - Small-Leaf Tick-Trefoil

Desmodium nuttallii (Schindl.) B. G. Schub. - Nuttall's Tick-Trefoil

Desmodium obtusum (Muhl. ex Willd.) DC. - Stiff Tick-Trefoil

Desmodium paniculatum (L.) DC. - Panicled-Leaf Tick-Trefoil

Desmodium paniculatum var. paniculatum - Panicled-Leaf Tick-Trefoil

Desmodium perplexum B. G. Schub. - Perplexed Tick-Trefoil

Desmodium rotundifolium DC. - Prostrate Tick-Trefoil

Desmodium sessilifolium (Torr.) Torr. & A. Gray - Sessile-Leaf Tick-Trefoil

Dianthus

Dianthus armeria L. - Deptford Pink

Dianthus armeria subsp. armeria - Deptford Pink

Diarrhena

Diarrhena americana P. Beauv. - American Beakgrain

Diarrhena obovata (Gleason) Brandenburg - Hairy Beakgrain

Dicentra

Dicentra canadensis (Goldie) Walp. - Squirrel-Corn

Dicentra cucullaria (L.) Bernh. - Dutchman's-Breeches

Dichanthelium

Dichanthelium acuminatum (Sw.) Gould & C. A. Clark - Tapered Witch Grass

Dichanthelium acuminatum subsp. fasciculatum (Torr.) Freckmann & Lelong - Western Witch Grass

Dichanthelium acuminatum subsp. implicatum (Scribn.) Freckmann & Lelong - Common Witch Grass

Dichanthelium acuminatum subsp. lindheimeri (Nash) Freckmann & Lelong - Lindheimer's Witch Grass

Dichanthelium boscii (Poir.) Gould & C. A. Clark - Bosc's Witch Grass

Dichanthelium clandestinum (L.) Gould - Deer-Tongue Witch Grass

Dichanthelium commutatum (Schult.) Gould - Variable Witch Grass

Dichanthelium commutatum subsp. commutatum - Variable Witch Grass

Dichanthelium depauperatum (Muhl.) Gould - Starved Witch Grass

Dichanthelium dichotomum (L.) Gould - Cypress Witch Grass

Dichanthelium dichotomum subsp. dichotomum - Cypress Witch Grass

Dichanthelium dichotomum subsp. microcarpon (Muhl. ex Elliott) Freckmann & Lelong - Cypress Witch Grass

Dichanthelium latifolium (L.) Harvill - Broad-Leaf Witch Grass

Dichanthelium laxiflorum (Lam.) Gould - Open-Flower Witch Grass

Dichanthelium linearifolium (Scribn. ex Nash) Gould - Slim-Leaf Witch Grass

Dichanthelium oligosanthes (Schult.) Gould - Heller's Witch Grass

Dichanthelium oligosanthes subsp. oligosanthes - Heller's Witch Grass

Dichanthelium oligosanthes subsp. scribnerianum (Nash) Freckmann & Lelong - Scribner's Witch Grass

Dichanthelium polyanthes (Schult.) Mohlenbr. - Many-Flowered Witch Grass

Dichanthelium scoparium (Lam.) Gould - Broom Witch Grass

Dicliptera

Dicliptera brachiata (Pursh) Spreng. - Branched Foldwing

Didiplis

Didiplis diandra (Nutt. ex DC.) Alph. Wood - Water-Purslane

Digitaria

Digitaria ciliaris (Retz.) Koeler - Southern Crab Grass

Digitaria cognata (Schult.) Pilg. - Carolina Crab Grass

Digitaria filiformis (L.) Koeler - Slender Crab Grass

Digitaria ischaemum (Schreb.) Schreb. ex Muhl. - Smooth Crab Grass

Digitaria sanguinalis (L.) Scop. - Hairy Crab Grass

Dinebra

Dinebra panicea (Retz.) P. M. Peterson & N. Snow - Needle Viper Grass

Dinebra panicea subsp. brachiata (Steud.) P. M. Peterson & N. Snow - Red Sprangletop

Dinebra panicea subsp. mucronata (Michx.) P. M. Peterson & N. Snow - Needle Viper Grass

Dinebra panicoides (J. Presl) P. M. Peterson & N. Snow - Amazon Viper Grass

Diodia

Diodia teres Walter - Poor Joe

Dioscorea

Dioscorea villosa L. - Wild Yam

Diospyros

Diospyros virginiana L. - Common Persimmon

Diphasiastrum

Diphasiastrum digitatum (Dill. ex A. Braun) Holub - Fan Creeping-Cedar

Diphasiastrum tristachyum (Pursh) Holub - Deep-Root Creeping-Cedar

Dipsacus

Dipsacus fullonum L. - Fuller's Teasel

Dirca

Dirca palustris L. - Eastern Leatherwood

Draba

Draba brachycarpa Nutt. ex Torr. & A. Gray - Smooth Cross-Hair Cress

Draba reptans (Lam.) Fernald - Carolina Draba

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