| Scientific Name |
Common Name |
Native Status |
|
|
|
|
|
Cabomba caroliniana A. Gray
|
Carolina Fanwort |
N |
|
Cajanus scarabaeoides (L.) Thouars
|
Showy Pigeonpea |
I |
|
Cakile edentula (Bigelow) Hooker
|
American Sea Rocket |
N |
|
Cakile maritima Scopoli
|
European Sea Rocket |
I |
|
Calamagrostis breviligulata (Fern.) Saarela ssp. breviligulata
|
American Beach Grass |
N |
|
Calamagrostis canadensis (Michx.) Beauv. var. canadensis
|
Bluejoint, Canada Reedgrass |
N |
|
Calamagrostis porteri Gray ssp. porteri
|
Porter's Reedgrass |
N |
|
Calamovilfa brevipilis (Torr.) Scribn.
|
Pine Barren Sandreed, Pine Barren Reedgrass |
N |
|
Calepina irregularis (Asso) Thellung
|
White Ball Mustard, Calepina |
I |
|
Calibrachoa parviflora (Juss.) D'Arcy
|
Wild Petunia, Seaside Petunia |
I |
|
Callicarpa americana L.
|
American Beauty-berry, French-mulberry |
N |
|
Callicarpa dichotoma (Loureiro) K. Koch
|
Purple Beauty-berry |
I |
|
Callicladium haldanianum (Grev.) H.A. Crum
|
|
N |
|
Calliergon cordifolium (Hedw.) Kindb.
|
|
N |
|
Calliergonella cuspidata (Hedw.) Loeske
|
|
N |
|
Callirhoe involucrata (Torr. & Gray) Gray var. involucrata
|
Purple Poppy-mallow |
I |
|
Callitriche heterophylla Pursh var. heterophylla
|
Large Water-starwort |
N |
|
Callitriche palustris L.
|
Vernal Water-starwort |
N |
|
Callitriche stagnalis Scop.
|
Pond Water-starwort |
I |
|
Callitriche terrestris Raf.
|
Terrestrial Water-starwort |
N |
|
Calopogon pallidus Chapman
|
Pale Grass-pink |
N |
|
Calopogon tuberosus (L.) BSP var. tuberosus
|
Tuberous Grass-pink, Common Grass-pink |
N |
|
Caltha palustris L.
|
Marsh Marigold, Cowslip |
N |
|
Calycanthus floridus L.
|
Sweet-shrub |
N |
|
Calypogeia muelleriana (Schiffn.) Müll. Frib.
|
|
N |
|
Calypogeia neesiana (C. Massal. & Carestia) Müll. Frib.
|
|
N |
|
Calypogeia neogaea (R.M. Schust.) Bakalin
|
|
N |
|
Calypogeia peruviana Nees et Mont.
|
|
N |
|
Calypogeia suecica (Arnell & J. Perss.) K. Müller
|
|
N |
|
Calypogeia sullivantii Austin
|
|
N |
|
Calystegia catesbeiana Pursh
|
Catesby's False Bindweed |
N |
|
Calystegia pubescens Lindl.
|
Japanese Bindweed, Hairy False Bindweed |
I |
|
Calystegia sepium (L.) R. Br. complex
|
Hedge Bindweed |
N |
|
Calystegia sepium (L.) R. Br. ssp. americana (Sims) Brummitt
|
Northeastern Bindweed |
N |
|
Calystegia sepium (L.) R. Br. ssp. appalachiana (Sims) Brummitt
|
Appalachian Bindweed |
N |
|
Calystegia sepium (L.) R. Br. ssp. limnophila (Greene) Brummitt
|
Coastal Plain Bindweed |
N |
|
Calystegia silvatica (Kit.) Griesb. ssp. fraterniflora (Mackenzie & Bush) Brummitt
|
Large Bindweed, Giant Bindweed |
N |
|
Calystegia soldanella (L.) R. Br. ex Roemer & J. A. Schultes
|
Seaside Bindweed |
I |
|
Calystegia spithamaea (L.) Pursh ssp. purshiana (Wherry ) Brummitt
|
Appalachian Low Bindweed |
N |
|
Calystegia spithamaea (L.) Pursh ssp. spithamaea
|
Low Bindweed |
N |
|
Camassia scilloides (Raf.) Cory
|
Wild Hyacinth, Quamash Lily, Eastern Camas Lily |
N |
|
Camelina microcarpa Andrzejowski ex. A. P. DeCandolle
|
Little-seed False Flax, Little-pod False Flax |
I |
|
Camelina sativa (Linnaeus) Crantz
|
Gold-of-pleasure, False Flax |
I |
|
Campanula divaricata Michx.
|
Southern Harebell, Appalachian Bellflower |
N |
|
Campanula persicifolia L.
|
Peachleaf Bellflower |
I |
|
Campanula rapunculoides L.
|
Creeping Bellflower, Rampion Bellflower |
I |
|
Campanula rotundifolia L.
|
Harebell, Bluebell Bellflower |
N |
|
Campanulastrum americanum (L.) Small
|
Tall Bellflower |
N |
|
Campsis radicans (L.) Seem. ex Bureau
|
Trumpet-creeper |
N |
|
Campyliadelphus chrysophyllus (Brid.) Kanda
|
Bristle Star Moss |
N |
|
Campylium stellatum (Hedw.) C.E.O. Jensen
|
Yellow Star Moss |
N |
|
Campylophyllum hispidulum (Brid.) Hedenäs
|
Tiny Star Moss |
N |
|
Campylopus carolinae Grout
|
|
N |
|
Campylopus surinamensis Müll. Hal.
|
|
N |
|
Campylopus tallulensis Sull. & Lesq.
|
|
N |
|
Campylostelium saxicola (F. Weber & D. Mohr) Bruch & Schimp.
|
|
N |
|
Cannabis sativa L.
|
Marijuana, Hemp |
I |
|
Capnoides sempervirens (L.) Borkh.
|
Pale Corydalis, Pink Corydalis, Rock Harlequin |
N |
|
Capsella bursa-pastoris (Linnaeus) Medicus
|
Common Shepherd's Purse |
I |
|
Cardamine angustata O. E. Schulz
|
Slender Toothwort |
N |
|
Cardamine bulbosa (Schreber ex. Muhlenberg) Britton, Sterns & Poggenberg
|
Spring Cress, Bulbous Bittercress |
N |
|
Cardamine clematitis Shuttleworth ex. A. Gray
|
Mountain Bittercress |
N |
|
Cardamine concatenata (Michaux) O. Schwarz
|
Cut-leaf Toothwort |
N |
|
Cardamine diphylla (Michaux) A. Wood
|
Crinkleroot, Two-leaf Toothwort |
N |
|
Cardamine dissecta (Leavenworth) Al-Shehbaz
|
Fork-leaf Toothwort, Dissected Toothwort |
N |
|
Cardamine douglassii Britton
|
Purple Cress |
N |
|
Cardamine flagellifera O. E. Schulz
|
Blue Ridge Bittercress |
N |
|
Cardamine hirsuta Linnaeus
|
Hairy Bittercress |
I |
|
Cardamine impatiens Linnaeus
|
Narrow-leaf Bittercress |
I |
|
Cardamine longii Fernald
|
Long's Bittercress |
N |
|
Cardamine micranthera Rollins
|
Small-anthered Bittercress |
N |
|
Cardamine occulta Hornem.
|
Wavy Bittercress |
I |
|
Cardamine parviflora Linnaeus var. arenicola (Britton) O. E. Schulz
|
Small-flowered Bittercress, Sand Bittercress |
N |
|
Cardamine pensylvanica Muhlenberg ex Willdenow
|
Pennsylvania Bittercress |
N |
|
Cardamine pratensis L. var. palustris Wimm. & Graebn.
|
Cuckoo-flower |
N |
|
Cardamine rotundifolia Michaux
|
American Bittercress, Mountain Watercress |
N |
|
Cardiospermum halicacabum L.
|
Balloon Vine |
I |
|
Carduus acanthoides L. ssp. acanthoides
|
Spiny Plumeless Thistle |
I |
|
Carduus crispus L.
|
Welted Thistle |
I |
|
Carduus nutans L.
|
Musk Thistle, Nodding Thistle |
I |
|
Carex abscondita Mackenzie
|
Thicket Sedge |
N |
|
Carex aestivaliformis Mackenzie
|
Small-fruited Summer Sedge |
N |
|
Carex aestivalis M.A. Curtis ex Gray
|
Summer Sedge |
N |
|
Carex aggregata Mackenzie
|
Glomerate Sedge |
N |
|
Carex alata Torrey
|
Broad-winged Sedge |
N |
|
Carex albicans complex
|
|
N |
|
Carex albicans Willd. ex Sprengel var. albicans
|
White-tinged Sedge |
N |
|
Carex albicans Willd. ex Sprengel var. australis (Bailey) Rettig
|
Southern White-tinged Sedge |
N |
|
Carex albicans Willd. ex Sprengel var. emmonsii (Dewey ex Torr.) Rettig
|
Emmons's Sedge |
N |
|
Carex albolutescens Schweinitz
|
Greenish-white Sedge |
N |
|
Carex albursina Sheldon
|
White Bear Sedge |
N |
|
Carex amphibola complex
|
|
N |
|
Carex amphibola Steudel
|
Eastern Narrow-leaved Sedge |
N |
|
Carex annectens (Bickn.) Bickn.
|
Yellow-fuited Sedge |
N |
|
Carex appalachica Webber & Ball
|
Appalachian Sedge |
N |
|
Carex aquatilis Wahlenb. var. substricta Kukenth.
|
Aquatic Sedge |
N |
|
Carex arctata Boott
|
Black Sedge, Drooping Woodland Sedge |
N |
|
Carex arenaria L.
|
Sand Sedge |
I |
|
Carex argyrantha Tuckerman ex Dewey
|
Silvery-flowered Sedge, Hay Sedge |
N |
|
Carex arkansana (L.H. Bailey) L.H. Bailey
|
Arkansas sedge |
I |
|
Carex atherodes Sprengel
|
Awned Sedge |
N |
|
Carex atlantica Bailey
|
Prickly Bog Sedge, Atlantic Sedge |
N |
|
Carex aureolensis Steudel
|
Southern Frank's Sedge |
N |
|
Carex austrina Mackenzie
|
Southern Sedge |
I |
|
Carex austrodeflexa P.D. McMillan, Sorrie, & van Eerden
|
Canebrake Sedge |
N |
|
Carex austrolucorum (Rettig) D.P. Poind. & Naczi
|
Appalachian Woodland Sedge |
N |
|
Carex baileyi Britton
|
Shortbeak Sedge, Fescue Sedge |
N |
|
Carex barrattii Schw. & Torr.
|
Barratt's Sedge |
N |
|
Carex blanda Dewey
|
Eastern Woodland Sedge |
N |
|
Carex brevior (Dewey) Mackenzie ex Lunell
|
Shortbeak Sedge |
N |
|
Carex bromoides Schk. ex Willd. ssp. bromoides
|
Common Brome Sedge |
N |
|
Carex bromoides Schk. ex Willd. ssp. montana Naczi
|
Blue Ridge Brome Sedge |
N |
|
Carex brunnescens (Pers.) Poiret
|
Brownish Sedge |
N |
|
Carex bullata Schk. ex Willd. var. bullata
|
Button Sedge |
N |
|
Carex bullata Schk. ex Willd. var. greenei (Boeckeler) Fernald
|
Greene's Sedge |
N |
|
Carex bushii Mackenzie
|
Bush's Sedge |
N |
|
Carex buxbaumii Wahlenb.
|
Brown Bog Sedge, Buxbaum's Sedge |
N |
|
Carex canescens L. var. disjuncta Fernald
|
Silvery Sedge |
N |
|
Carex careyana Torrey ex Dewey
|
Carey's Sedge |
N |
|
Carex caroliniana Schweinitz
|
Carolina Sedge |
N |
|
Carex cephalophora Muhl. ex Willd.
|
Oval-leaved Sedge |
N |
|
Carex cherokeensis Schweinitz
|
Cherokee Sedge |
|
|
Carex collinsii Nuttall
|
Collins's Sedge |
N |
|
Carex communis Bailey
|
Fibrous-rooted Sedge |
N |
|
Carex comosa Boott
|
Bottlebrush Sedge, Bristly Sedge |
N |
|
Carex complanata Torr. & Hook.
|
Hirsute Sedge |
N |
|
Carex conjuncta Boott
|
Soft Fox Sedge |
N |
|
Carex conoidea Willd.
|
Field Sedge |
N |
|
Carex copulata (L.H. Bailey) Mackenzie
|
Spreading Sedge |
N |
|
Carex corrugata Fernald
|
Prune-fruited Sedge |
N |
|
Carex crawei Dewey
|
Crawe's Sedge |
N |
|
Carex crebriflora Wiegand
|
Coastal Plain Sedge |
N |
|
Carex crinita Lam.
|
Long-fringed Sedge |
N |
|
Carex crinita Lam. var. brevicrinis Fernald
|
Short-fringed Sedge |
N |
|
Carex crinita Lam. var. crinita
|
Long-fringed Sedge |
N |
|
Carex cristatella Britton
|
Crested Sedge |
N |
|
Carex crus-corvi Shuttw.
|
Crowfoot Sedge, Ravenfoot Sedge |
N |
|
Carex cumberlandensis Naczi, Kral, & Bryson
|
Cumberland Sedge |
N |
|
Carex davisii Schw. & Torrey
|
Davis's Sedge |
N |
|
Carex debilis Michaux var. debilis
|
White-edged Sedge |
N |
|
Carex debilis Michx. var. pubera A. Gray
|
Allegheny Sedge |
N |
|
Carex decomposita Muhl.
|
Cypress-knee Sedge, Epiphytic Sedge |
N |
|
Carex digitalis Willd.
|
Slender Woodland Sedge |
N |
|
Carex digitalis Willd. var. digitalis
|
Slender Woodland Sedge |
N |
|
Carex digitalis Willd. var. floridana (Bailey) Naczi & Bryson
|
Southern Slender Woodland Sedge |
N |
|
Carex digitalis Willd. var. macropoda Fernald
|
Long-spiked Slender Woodland Sedge |
N |
|
Carex divisa Hudson
|
Separated Sedge, Divided Sedge |
I |
|
Carex eburnea Boott
|
Ebony Sedge, Bristle-leaf Sedge |
N |
|
Carex echinata Murray ssp. echinata
|
Star Sedge, Little Prickly Sedge |
N |
|
Carex emoryi Dewey
|
Emory's sedge |
N |
|
Carex extensa Goodenough
|
Long-bracted Sedge |
I |
|
Carex festucacea Schk. ex Willd.
|
Fescue Sedge |
N |
|
Carex fissa Mackenzie var fissa
|
Hammock sedge |
I |
|
Carex flaccosperma complex
|
Meadow Sedge, Thin-fruited Sedge |
N |
|
Carex flaccosperma Dewey
|
Meadow Sedge, Thin-fruited Sedge |
N |
|
Carex flava L.
|
Yellow Sedge, Green Sedge |
N |
|
Carex flexuosa Muhl. ex Willd.
|
Flexuous White-edge Sedge |
N |
|
Carex floridana Schw.
|
Florida Sedge |
N |
|
Carex folliculata L.
|
Northern Long Sedge |
N |
|
Carex frankii Kunth
|
Frank's Sedge |
N |
|
Carex gigantea Rudge
|
Giant Sedge |
N |
|
Carex glaucescens Elliott
|
Southern Waxy Sedge |
N |
|
Carex glaucodea Tuckerman ex Olney
|
Blue Sedge |
N |
|
Carex gracilescens Steudel
|
Slender Loose-flowered Sedge |
N |
|
Carex gracillima Schw.
|
Graceful Sedge |
N |
|
Carex granularis Muhl. ex Willd.
|
Limestone Meadow Sedge |
N |
|
Carex gravida L.H. Bailey
|
Heavy Sedge |
N |
|
Carex grayi Carey
|
Gray's Sedge |
N |
|
Carex grisea Wahlenb.
|
Inflated Narrow-leaved Sedge |
N |
|
Carex gynandra Schweinitz
|
Nodding sedge |
N |
|
Carex hirsutella Mackenzie
|
Fuzzy Sedge, Hairy-leaved Sedge |
N |
|
Carex hirta L.
|
Hairy Sedge, Hammer Sedge |
I |
|
Carex hirtifolia Mackenzie
|
Pubescent Sedge |
N |
|
Carex hitchcockiana Dewey
|
Hitchcock's Sedge |
N |
|
Carex hormathodes Fernald
|
Marsh Straw Sedge |
N |
|
Carex howei Mackenzie
|
Howe's Sedge |
N |
|
Carex hyalinolepis Steudel
|
Shoreline Sedge |
N |
|
Carex hystericina Muhl. ex Willd.
|
Porcupine Sedge |
N |
|
Carex interior Bailey
|
Inland Sedge |
N |
|
Carex intumescens Rudge var. fernaldii Bailey
|
Fernald's Bladder Sedge |
N |
|
Carex intumescens Rudge var. intumescens
|
Bladder Sedge |
N |
|
Carex jamesii Schweinitz
|
James's Sedge |
N |
|
Carex joorii Bailey
|
Joor's Sedge, Hummock Sedge, Cypress-swamp Sedge |
N |
|
Carex juniperorum Catling, Rezn., & Crins
|
Juniper Sedge |
N |
|
Carex kobomugi Ohwi
|
Japanese Beach Sedge |
I |
|
Carex kraliana Naczi & Bryson
|
Kral's Sedge |
N |
|
Carex lacustris Willdenow
|
Lake-shore Sedge |
N |
|
Carex laevivaginata (Kukenth.) Mackenzie
|
Smooth-sheathed Sedge |
N |
|
Carex lasiocarpa Erhr. var. americana Fernald
|
Slender Sedge |
N |
|
Carex laxiculmis Schweinitz
|
Spreading Sedge |
N |
|
Carex laxiflora Lam.
|
Broad Loose-flowered Sedge |
N |
|
Carex leavenworthii Dewey
|
Leavenworth's Sedge |
N |
|
Carex leptalea Wahlenberg var. harperi (Fernald) Weatherby & Griscom
|
Harper's Bristly-stalk Sedge |
N |
|
Carex leptalea Wahlenberg var. leptalea
|
Bristly-stalk Sedge |
N |
|
Carex leptonervia (Fernald) Fernald
|
Finely-nerved Sedge, Nerveless Woodland Sedge |
N |
|
Carex lonchocarpa Willd. ex Sprengel
|
Southern Long Sedge |
N |
|
Carex longii Mackenzie
|
Long's Sedge |
N |
|
Carex louisianica Bailey
|
Louisiana Sedge |
N |
|
Carex lupuliformis Sartwell ex Dewey
|
False Hop Sedge |
N |
|
Carex lupulina Willd.
|
Hop Sedge |
N |
|
Carex lurida Wahlenb.
|
Sallow Sedge |
N |
|
Carex manhartii Bryson
|
Blue Ridge Purple Sedge, Manhart's Sedge |
N |
|
Carex meadii Dewey
|
Mead's Sedge |
N |
|
Carex mesochorea Mackenzie
|
Midland Sedge |
N |
|
Carex mitchelliana M.A. Curtis
|
Mitchell's Sedge |
N |
|
Carex molesta Mackenzie ex Bright
|
Troublesome Sedge |
N |
|
Carex molestiformis Rezn. & P. Rothr.
|
Frightful Sedge |
N |
|
Carex muehlenbergii Schk. ex Willd.
|
Muehlenberg's Sedge |
N |
|
Carex muehlenbergii Schk. ex Willd. var. enervis Boott
|
Small-fruited Muehlenberg's Sedge |
N |
|
Carex muehlenbergii Schk. ex Willd. var. muehlenbergii
|
Muehlenberg's Sedge |
N |
|
Carex nigromarginata Schweinitz
|
Black-edged Sedge |
N |
|
Carex normalis Mackenzie
|
Greater Straw Sedge |
N |
|
Carex oklahomensis Mackenzie
|
Oklahoma Sedge |
I |
|
Carex oligocarpa Willd.
|
Eastern Few-fruited Sedge |
N |
|
Carex opaca (F.J. Hermann) P. Rothrock & Reznicek
|
Bicknell's sedge |
I |
|
Carex ormostachya Wiegand
|
Necklace Spike Sedge |
N |
|
Carex oxylepis Torrey & Hooker
|
Sharp-scale Sedge |
N |
|
Carex pallescens L.
|
Pale Sedge |
N |
|
Carex pedunculata Muhl. ex Willd. var. pedunculata
|
Long-stalk Sedge |
N |
|
Carex pellita Willd.
|
Woolly Sedge |
N |
|
Carex pendula Hudson
|
Drooping Sedge, Hanging Sedge |
I |
|
Carex pensylvanica Lam.
|
Pennsylvania Sedge |
N |
|
Carex pigra Naczi
|
Lazy Sedge |
N |
|
Carex planispicata Naczi
|
Flat-spiked Sedge |
N |
|
Carex plantaginea Lam.
|
Plantain-leaved Sedge |
N |
|
Carex platyphylla Carey
|
Broad-leaved Sedge |
N |
|
Carex polymorpha Muhl.
|
Variable Sedge |
N |
|
Carex praegracilis Boott
|
Clustered Field Sedge |
I |
|
Carex prairea Dewey ex Wood
|
Prairie Sedge |
N |
|
Carex prasina Wahlenb.
|
Drooping Sedge |
N |
|
Carex projecta Mackenzie
|
Necklace Sedge |
N |
|
Carex purpurifera Mackenzie
|
Limestone Purple Sedge |
N |
|
Carex radiata (Wahlenb.) Small
|
Eastern Star Sedge |
N |
|
Carex reniformis (Bailey) Small
|
Kidney Sedge |
N |
|
Carex retroflexa Muhl. ex Willd.
|
Reflexed Sedge |
N |
|
Carex reznicekii Werier
|
Reznicek's Sedge |
N |
|
Carex roanensis F.J. Hermann
|
Roan Mountain Sedge |
N |
|
Carex rosea Schk. ex Willd.
|
Rosy Sedge |
N |
|
Carex rugosperma Mackenzie
|
Parachute Sedge |
N |
|
Carex ruthii Mackenzie in Britton
|
Ruth's Sedge |
N |
|
Carex scabrata Schweinitz
|
Eastern Rough Sedge |
N |
|
Carex schweinitzii Dewey ex Schweinitz
|
Schweinitz's Sedge |
N |
|
Carex scoparia Schk. ex Willd.
|
Broom Sedge |
N |
|
Carex seorsa Howe in Gordinier & Howe
|
Weak Stellate Sedge |
N |
|
Carex shortiana Dewey
|
Short's Sedge |
N |
|
Carex silicea Olney
|
Sea-beach Sedge |
N |
|
Carex sparganioides Muhl. ex Willd.
|
Bur-reed Sedge |
N |
|
Carex spicata Hudson
|
Prickly Sedge |
I |
|
Carex squarrosa L.
|
Squarrose Sedge |
N |
|
Carex sterilis Willd.
|
Sterile Sedge |
N |
|
Carex stipata Muhl. ex Willd. var. maxima Chapman ex Boott
|
Large Stalk-grain Sedge |
N |
|
Carex stipata Muhl. ex Willd. var. stipata
|
Stalk-grain Sedge, Awl-fruit Sedge |
N |
|
Carex straminea Willd. in Schk.
|
Straw Sedge |
N |
|
Carex striata Michaux
|
Walter's Sedge |
N |
|
Carex striatula Michaux
|
Lined Sedge |
N |
|
Carex stricta Lam.
|
Tussock Sedge, Upright Sedge, Stool Sedge |
N |
|
Carex styloflexa Buckley
|
Bent Sedge |
N |
|
Carex suberecta (Olney) Britton
|
Prairie Straw Sedge |
N |
|
Carex superata Naczi, Rezn., & Ford
|
Limestone Forest Sedge |
N |
|
Carex swanii (Fernald) Mackenzie
|
Swan's Sedge |
N |
|
Carex tetanica Schkuhr
|
Rigid Sedge |
N |
|
Carex texensis (Torr.) Bailey
|
Texas Sedge |
N |
|
Carex tonsa (Fernald) Bicknell
|
Shaved Sedge |
N |
|
Carex torta Boott
|
Twisted Sedge |
N |
|
Carex tribuloides Wahlenb. var. sangamonensis Clokey
|
Midwestern Blunt Broom Sedge |
N |
|
Carex tribuloides Wahlenb. var. tribuloides
|
Blunt Broom Sedge |
N |
|
Carex trichocarpa Willd.
|
Hairy-fruited Sedge |
N |
|
Carex trisperma Dewey
|
Three-seeded Sedge |
N |
|
Carex typhina Michaux
|
Cattail Sedge |
N |
|
Carex umbellata Schk. ex Willd.
|
Parasol Sedge |
N |
|
Carex utriculata Boott
|
Beaked Sedge |
N |
|
Carex venusta Dewey var. minor Böckler
|
Southern Dark Green Sedge |
N |
|
Carex venusta Dewey var. venusta
|
Dark Green Sedge |
N |
|
Carex vesicaria L.
|
Inflated Sedge |
N |
|
Carex vestita Willd.
|
Velvet Sedge |
N |
|
Carex virescens Muhl. ex Willd.
|
Ribbed Sedge |
N |
|
Carex vulpinoidea Michaux
|
Fox Sedge |
N |
|
Carex willdenowii Schk. ex Willd.
|
Willdenow's Sedge |
N |
|
Carex woodii Dewey
|
Wood's Sedge |
N |
|
Carphephorus bellidifolius (Michx.) Torr. & Gray
|
Sandy-woods Chaffhead, Sandhill Chaffhead |
N |
|
Carphephorus tomentosus (Michx.) Torr. & Gray
|
Woolly Chaffhead |
N |
|
Carpinus caroliniana Walt.
|
American Hornbeam, Ironwood |
N |
|
Cartrema americanum (L.) Nesom
|
Devilwood, Wild Olive |
N |
|
Carum carvi L.
|
Caraway |
I |
|
Carya aquatica (Michx.f.) Nutt.
|
Water Hickory, Bitter Pecan |
N |
|
Carya carolinae-septentrionalis (Ashe) Engl. & Graebn.
|
Southern Shagbark Hickory, Carolina Shagbark Hickory |
N |
|
Carya cordiformis (Wangenh.) K. Koch
|
Bitternut Hickory |
N |
|
Carya glabra (P. Miller) Sweet
|
Pignut Hickory |
N |
|
Carya illinoinensis (Wangenh.) K. Koch
|
Pecan |
I |
|
Carya ovalis (Wangenh.) Sarg.
|
Red Hickory, Sweet Pignut Hickory |
N |
|
Carya ovata (P.Mill.) K. Koch
|
Shagbark hickory |
N |
|
Carya pallida (Ashe) Engl. & Graebn.
|
Sand Hickory, Pale Hickory |
N |
|
Carya tomentosa (Poir.) Nutt.
|
Mockernut Hickory |
N |
|
Castanea dentata (Marshall) Borkhausen
|
American Chestnut |
N |
|
Castanea mollissima Blume
|
Chinese Chestnut |
I |
|
Castanea pumila (Linnaeus) P. Miller
|
Allegheny Chinkapin |
N |
|
Castilleja coccinea (L.) Spreng.
|
Eastern Indian Paintbrush |
N |
|
Catalpa bignonioides Walt.
|
Southern Catalpa |
I |
|
Catalpa speciosa (Warder) Warder ex Engelm.
|
Northern Catalpa |
I |
|
Caulophyllum giganteum (Farw.) Loconte & Blackwell
|
Northern Blue Cohosh |
N |
|
Caulophyllum thalictroides (L.) Michx.
|
Blue Cohosh, Common Blue Cohosh |
N |
|
Causonis japonica (Thunb.) Raf.
|
Bush-killer, Sorrel Vine |
I |
|
Ceanothus americanus L.
|
New Jersey Tea, Redroot |
N |
|
Celastrus orbiculatus Thunb.
|
Oriental Bittersweet |
I |
|
Celastrus scandens L.
|
Climbing Bittersweet, American Bittersweet |
N |
|
Celosia argentea L.
|
Plumed Cockscomb |
I |
|
Celtis laevigata Willd.
|
Sugarberry, Southern Hackberry |
N |
|
Celtis occidentalis L.
|
Common Hackberry, Northern Hackberry |
N |
|
Celtis pumila Pursh
|
Dwarf Hackberry, Georgia Hackberry |
N |
|
Cenchrus americanus (L.) Morrone
|
Pearl Millet |
I |
|
Cenchrus longispinus (Hack.) Fern.
|
Northern Sandbur, Common Sandbur |
N |
|
Cenchrus purpurascens Thunb.
|
Fountain Grass |
I |
|
Cenchrus spinifex Cav.
|
Coastal Sandbur |
N |
|
Cenchrus tribuloides L.
|
Dune Sandbur |
N |
|
Centaurea benedicta (L.) L.
|
Blessed Thistle, Holy Thistle |
I |
|
Centaurea calcitrapa L.
|
Purple Star-thistle |
I |
|
Centaurea jacea L.
|
Brown Knapweed |
I |
|
Centaurea nigra L.
|
Black Knapweed |
I |
|
Centaurea nigrescens Willd.
|
Tyrol Knapweed |
I |
|
Centaurea solstitialis L.
|
Yellow Star-thistle |
I |
|
Centaurea stoebe L. ssp. micranthos (S.G. Gmelin ex Gugler) Hayek
|
Spotted Knapweed |
I |
|
Centaurea ×moncktonii C.E. Britton
|
Meadow Knapweed |
I |
|
Centaurium erythraea Raf.
|
Common Centaury, Forking Centaury |
I |
|
Centaurium pulchellum (Sw.) Druce
|
Lesser Centaury, Branching Centaury |
I |
|
Centella erecta (L. f.) Fern.
|
Coinleaf, Erect Centella |
N |
|
Centrosema virginianum (L.) Benth. ssp. virginianum
|
Spurred Butterfly Pea |
N |
|
Centunculus minimus L.
|
Chaffweed |
N |
|
Cephalanthus occidentalis L.
|
Buttonbush |
N |
|
Cephalotaxus harringtonia (J. Knight ex Forbes) Koch
|
Japanese Plum Yew |
I |
|
Cephalozia bicuspidata (L.) Dumort.
|
|
N |
|
Cephaloziella divaricata (Sm.) Schiffn.
|
|
N |
|
Cephaloziella divaricata (Sm.) Schiffn. var scabra (Howe) Haynes
|
|
|
|
Cephaloziella hampeana (Nees) Schiffn. ex Loeske
|
|
N |
|
Cephaloziella rubella (Nees) Warnst.
|
|
N |
|
Cephaloziella spinicaulis Doulin
|
|
N |
|
Cerastium arvense L. ssp. strictum Gaudin
|
Field Chickweed |
N |
|
Cerastium brachypetalum Pers.
|
Gray Mouse-ear Chickweed |
I |
|
Cerastium brachypodum (Engelm. ex Gray) B.L. Robinson
|
Shortstalk Chickweed |
N |
|
Cerastium dubium (Bast.) Guepin
|
Anomalous Mouse-ear Chickweed |
I |
|
Cerastium fontanum Baumg. ssp. vulgare (Hartman) Greuter & Burdet
|
Common Mouse-ear Chickweed |
I |
|
Cerastium glomeratum Thuill.
|
Sticky Mouse-ear Chickweed |
I |
|
Cerastium nutans Raf.
|
Nodding Mouse-ear Chickweed |
N |
|
Cerastium pumilum W. Curtis
|
Dwarf Mouse-ear |
I |
|
Cerastium semidecandrum L.
|
Little Mouse-ear Chickweed |
I |
|
Cerastium tomentosum L.
|
Snow-in-summer |
I |
|
Cerastium velutinum Raf. var. velutinum
|
Field Chickweed |
N |
|
Ceratodon purpureus (Hedw.) Brid. ssp. purpureus
|
Purple Moss |
N |
|
Ceratophyllum demersum L.
|
Common Hornwort, Coontail |
N |
|
Ceratophyllum echinatum A. Gray
|
Spineless Hornwort |
N |
|
Cercis canadensis L. var. canadensis
|
Eastern Redbud |
N |
|
Chaenomeles japonica (Thunb.) Lindl.
|
Japanese Flowering Quince |
I |
|
Chaenomeles speciosa (Sweet) Nakai
|
Flowering Quince |
I |
|
Chaenorrhinum minus (L.) Lange ssp. minus
|
Dwarf Snapdragon, Lesser Toadflax |
I |
|
Chaerophyllum procumbens (L.) Crantz var. procumbens
|
Spreading Chervil |
N |
|
Chaerophyllum procumbens (L.) Crantz var. shortii Torr. & Gray
|
Short's Spreading Chervil |
N |
|
Chaerophyllum tainturieri Hook.
|
Hairy-fruit Chervil, Southern Wild Chervil |
N |
|
Chaiturus marrubiastrum (L.) Reichenb.
|
Horehound Motherwort, False Motherwort |
I |
|
Chamaecrista fasciculata (Michx.) Greene var. fasciculata
|
Common Partridge-pea |
N |
|
Chamaecrista fasciculata (Michx.) Greene var. macrosperma (Fernald) C. F. Reed
|
Marsh Patridge-pea, Marsh Senna |
N |
|
Chamaecrista nictitans (L.) Moench var. nictitans
|
Wild Sensitive Plant, Sensitive Partridge-pea |
N |
|
Chamaecyparis thyoides (L.) BSP
|
Atlantic White Cedar |
N |
|
Chamaelirium luteum (L.) Gray
|
Devil's-bit |
N |
|
Chamaenerion angustifolium (Linnaeus) Scopoli ssp. circumvagum (Mosquin) Moldenke
|
Fireweed, Great Willow-herb |
N |
|
Chamaepericlymenum canadense (L.) Ascherson & Graebner
|
Bunchberry, Dwarf Cornel, Dwarf Dogwood |
N |
|
Chasmanthium latifolium (Michx.) Yates
|
River Oats |
N |
|
Chasmanthium laxum (L.) Yates
|
Slender Spikegrass |
N |
|
Chasmanthium sessiliflorum (Poir.) Yates
|
Long-leaf Spikegrass |
N |
|
Cheilolejeunea clypeata (Schwein.) W. Ye & R. L. Zhu
|
|
N |
|
Cheilolejeunea conchifolia (A. Evans) W. Ye & R.L. Zhu
|
|
N |
|
Cheilolejeunea unciloba (Lindenb.) Malombe
|
|
N |
|
Chelidonium majus L.
|
Greater Celandine |
I |
|
Chelone cuthbertii Small
|
Cuthbert's Turtlehead |
N |
|
Chelone glabra L.
|
White Turtlehead |
N |
|
Chelone obliqua L. var. obliqua
|
Red Turtlehead |
N |
|
Chenopodiastrum murale (Linnaeus) S. Fuentes, Uotila, & Borsch
|
Nettleleaf Goosefoot |
I |
|
Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila, & Borsch
|
Maple-leaf Goosefoot, Giant-seed Goosefoot |
N |
|
Chenopodium album L.
|
Lamb's-quarters, Pigweed |
I |
|
Chenopodium berlandieri Moq.
|
Pit-seed Goosefoot |
N |
|
Chenopodium berlandieri Moquin-Tandon var. macrocalycium (Aellen) Cronquist
|
Pit-seed Goosefoot |
N |
|
Chenopodium foggii Wahl
|
Fogg's Goosefoot |
N |
|
Chenopodium opulifolium Schrad.
|
Gray Goosefoot |
I |
|
Chenopodium pratericola Rydberg
|
Narrowleaf Goosefoot |
I |
|
Chenopodium standleyanum Aellen
|
Woodland Goosefoot, Standley's Goosefoot |
N |
|
Chiloscyphus bicuspidatus (Steph.) J.J. Engel & R.M. Schust.
|
|
N |
|
Chiloscyphus pallescens (Ehrh. ex Hoffm.) Dumort. var. fragilis (Roth) Muell. Frib. ex R.M. Schust.
|
|
|
|
Chiloscyphus pallescens (Ehrh. ex Hoffm.) Dumort. var. pallescens
|
|
|
|
Chiloscyphus polyanthos (L.) Corda var. polyanthos
|
|
N |
|
Chiloscyphus polyanthos (L.) Corda var. rivularis (Schrad.) Nees
|
|
N |
|
Chimaphila maculata (L.) Pursh
|
Spotted Wintergreen, Striped Wintergreen |
N |
|
Chimaphila umbellata (L.) W. Barton ssp. cisatlantica (Blake) Hulten
|
Pipsissewa, Prince's-pine |
N |
|
Chionanthus virginicus L.
|
Fringetree, Old Man's Beard |
N |
|
Chloris verticillata Nutt.
|
Windmill Grass |
I |
|
Chloris virgata Sw.
|
Feather Finger Grass, Showy Chloris |
I |
|
Chondrilla juncea L.
|
Skeleton-weed, Rush Skeleton-weed |
I |
|
Chrysogonum repens (Cassini) Nesom
|
Carolina Green-and-gold |
N |
|
Chrysogonum virginianum L.
|
Green-and-gold |
N |
|
Chrysopsis gossypina (Michx.) Ell.
|
Cottony Golden-aster |
N |
|
Chrysopsis mariana (L.) Ell.
|
Maryland Golden-aster |
N |
|
Chrysosplenium americanum Schwein. ex Hook.
|
Golden Saxifrage, Water-mat, Water-carpet |
N |
|
Cichorium intybus L.
|
Chicory, Succory |
I |
|
Cicuta bulbifera L.
|
Bulb-bearing Water-hemlock, Bulblet-bearing Water-hemlock |
N |
|
Cicuta maculata L. var. curtisii (Coult. & Rose) Fern.
|
Southern Water-hemlock |
N |
|
Cicuta maculata L. var. maculata
|
Water-hemlock, Spotted Water-hemlock |
N |
|
Cinna arundinacea L.
|
Common Wood Reedgrass, Sweet Wood Reed-grass |
N |
|
Cinna latifolia (Trev. ex Goepp.) Griseb.
|
Slender Wood Reedgrass, Drooping Wood Reedgrass |
N |
|
Circaea alpina L. ssp. alpina
|
Small Enchanter's Nightshade |
N |
|
Circaea canadensis (L.) Hill
|
Enchanter's Night-shade |
N |
|
Cirriphyllum piliferum (Hedw.) Grout
|
|
N |
|
Cirsium altissimum (L.) Hill
|
Tall Thistle |
N |
|
Cirsium arvense (L.) Scop.
|
Canada Thistle, Field Thistle |
I |
|
Cirsium carolinianum (Walt.) Fern. & Schub.
|
Carolina Thistle |
N |
|
Cirsium discolor (Muhl. ex Willd.) Spreng.
|
Field Thistle |
N |
|
Cirsium horridulum Michx. var. horridulum
|
Yellow Thistle, Common Yellow Thistle |
N |
|
Cirsium muticum Michx.
|
Swamp Thistle |
N |
|
Cirsium nuttallii DC.
|
Nuttall's Thistle |
N |
|
Cirsium pumilum (Nutt.) Spreng.
|
Pasture Thistle |
N |
|
Cirsium repandum Michx.
|
Sandhill Thistle, Coastal Plain Thistle |
N |
|
Cirsium virginianum (L.) Michx.
|
Virginia Thistle |
N |
|
Cirsium vulgare (Savi) Ten.
|
Bull Thistle |
I |
|
Citrullus lanatus (Thunb.) Matsumura & Nakai
|
Watermelon |
I |
|
Citrus trifoliata L.
|
Hardy Orange, Trifoliate Orange |
I |
|
Cladium jamaicense Crantz
|
Sawgrass |
N |
|
Cladium mariscoides (Muhl.) Torrey
|
Twig-rush |
N |
|
Clasmatodon parvulus (Hampe) Sull.
|
|
N |
|
Claytonia caroliniana Michx.
|
Carolina Spring Beauty, Broad-leaved Spring Beauty |
N |
|
Claytonia rubra (T.J. Howell) Tidestrom ssp. rubra
|
Red-stem Spring Beauty |
I |
|
Claytonia virginica L. var. virginiana
|
Spring Beauty, Virginia Spring Beauty, Eastern Spring Beauty |
N |
|
Claytosmunda claytoniana (L.) Metzgar & Rouhan
|
Interrupted Fern |
N |
|
Cleistesiopsis bifaria (Fernald) Pansarin & F. Barros
|
Appalachian Small Spreading Pogonia |
N |
|
Cleistesiopsis divaricata (L.) Pansarin & F. Barros
|
Large Spreading Pogonia |
N |
|
Cleistesiopsis oricamporum P.M. Brown
|
Coastal Plain Small Spreading Pogonia |
N |
|
Clematis addisonii Britt.
|
Addison's Leatherflower |
N |
|
Clematis albicoma Wherry
|
White-haired Leatherflower |
N |
|
Clematis catesbyana Pursh
|
Satin-curls |
N |
|
Clematis coactilis (Fern.) Keener
|
Virginia White-haired Leatherflower |
N |
|
Clematis crispa L.
|
Marsh Swamp Leatherflower, Marsh Clematis, Blue Jasmine |
N |
|
Clematis glaucophylla Small
|
White-leaved Leatherflower |
N |
|
Clematis occidentalis (Hornemann) DC. var. occidentalis
|
Purple Clematis, Mountain Clematis |
N |
|
Clematis ochroleuca Ait.
|
Curlyheads |
N |
|
Clematis terniflora DC.
|
Sweet Autumn Clematis, Japanese Clematis |
I |
|
Clematis viorna L.
|
Northern Leatherflower, Vase-vine |
N |
|
Clematis virginiana L.
|
Virgin’s-bower |
N |
|
Clematis viticaulis Steele
|
Millboro Leatherflower |
N |
|
Clerodendrum trichotomum Thunb.
|
Harlequin Glory-Bower, Peanut Butter Tree |
I |
|
Clethra acuminata Michx.
|
Mountain Pepperbush, Mountain White-alder |
N |
|
Clethra alnifolia L.
|
Sweet Pepperbush, Coastal White-alder |
N |
|
Climacium americanum Bridel
|
Common Tree Moss |
N |
|
Climacium dendroides (Hedw.) F. Weber & D. Mohr
|
Palm Tree Moss |
N |
|
Clinopodium acinos (L.) Kuntze
|
Basil Thyme |
I |
|
Clinopodium arkansanum (Nutt.) House
|
Limestone Calamint |
N |
|
Clinopodium ascendens (Jordan) Sampaio
|
Common Calamint |
I |
|
Clinopodium calamintha (L.) Stace
|
Lesser Calamint, Basil-thyme |
I |
|
Clinopodium gracile (Benth.) Kuntze
|
Slender Wild Basil |
I |
|
Clinopodium vulgare L.
|
Wild Basil |
N |
|
Clintonia borealis (Ait.) Raf.
|
Bluebead Lily, Yellow Clintonia |
N |
|
Clintonia umbellulata (Michx.) Morong
|
Speckled Wood Lily, White Clintonia |
N |
|
Clitoria mariana L. var. mariana
|
Butterfly Pea |
N |
|
Cnidoscolus stimulosus (Michx.) Engelm. & Gray
|
Spurge-nettle, Tread Softly, Finger Rot, Bull-nettle |
N |
|
Codriophorus acicularis (Hedw.) P. Beauv.
|
|
N |
|
Codriophorus aduncoides (Bednarek-Ochyra) Bednarek-Ochyra & Ochyra
|
|
N |
|
Coincya monensis (L.) Greuter & Burdet ssp. recurvata (Allioni) Leadlay
|
Wallflower-cabbage |
I |
|
Coleataenia anceps (Michx.) Soreng ssp. anceps
|
Beaked Panic Grass |
N |
|
Coleataenia anceps (Michx.) Soreng ssp. rhizomatosa (Hitchcock & Chase) Soreng
|
Small Beaked Panic Grass |
N |
|
Coleataenia longifolia (Torrey) Soreng ssp. combsii (Scribner & C.R. Ball) Soreng
|
Combs' Panic Grass |
N |
|
Coleataenia longifolia (Torrey) Soreng ssp. longifolia
|
Long-leaved Panic Grass |
N |
|
Coleataenia pulchra (F. Dietrich) Mabberley & LeBlond
|
Redtop Panic Grass |
N |
|
Coleataenia rigidula (Bosc ex Nees) LeBlond ssp. condensa (Nash) LeBlond
|
Dense Panic Grass |
N |
|
Coleataenia rigidula (Bosc ex Nees) LeBlond ssp. rigidula
|
Tall Flat Panic Grass |
N |
|
Collinsia verna Nutt.
|
Eastern Blue-eyed Mary |
N |
|
Collinsonia canadensis L.
|
Richweed, Canada Horsebalm |
N |
|
Collinsonia verticillata Baldw.
|
Whorled Horsebalm |
N |
|
Cololejeunea biddlecomiae (Austin ex Pearson) A. Evans
|
|
N |
|
Cololejeunea cardiocarpa (Mont.) A. Evans
|
|
N |
|
Comandra umbellata (L.) Nuttall var. umbellata
|
Eastern Bastard Toadflax |
N |
|
Commelina benghalensis L.
|
Benghal dayflower; Tropical spiderwort |
I |
|
Commelina communis L.
|
Asiatic Dayflower, Common Dayflower |
I |
|
Commelina diffusa Burman f.
|
Creeping Dayflower |
I |
|
Commelina erecta L.
|
Slender Dayflower, Erect Dayflower |
N |
|
Commelina virginica L.
|
Virginia Dayflower |
N |
|
Comptonia peregrina (L.) Coult.
|
Sweet-fern |
N |
|
Conardia compacta (Hook.) H. Rob.
|
|
N |
|
Conioselinum chinense (L.) B.S.P.
|
Hemlock Parsley |
N |
|
Conium maculatum L.
|
Poison Hemlock |
I |
|
Conocephalum salebrosum Szweyk., Buczk. & Odrzyk.
|
|
N |
|
Conoclinium coelestinum (L.) DC.
|
Mistflower, Ageratum |
N |
|
Conopholis americana (L.) Wallroth
|
Squawroot, Bearcorn |
N |
|
Conringia orientalis (Linnaeus) Andrzejowski
|
Hare's-ear Mustard, Treacle Mustard |
I |
|
Consolida ajacis (L.) Schur.
|
Rocket Larkspur |
I |
|
Convallaria majalis L.
|
European Lily-of-the-valley |
I |
|
Convallaria pseudomajalis Bartram
|
American Lily-of-the-valley |
N |
|
Convolvulus arvensis L.
|
Field Bindweed |
I |
|
Corallorhiza bentleyi Freudenstein
|
Bentley's Coralroot |
N |
|
Corallorhiza maculata (Raf.) Raf. var. maculata
|
Eastern Spotted Coralroot |
N |
|
Corallorhiza maculata (Raf.) Raf. var. occidentalis (Lindley) Ames
|
Western Spotted Coralroot |
N |
|
Corallorhiza odontorhiza (Willd.) Nuttall
|
Autumn Coralroot |
N |
|
Corallorhiza trifida Châtelain
|
Early Coralroot, Northern Coralroot |
N |
|
Corallorhiza wisteriana Conrad
|
Spring Coralroot |
N |
|
Coreopsis auriculata L.
|
Larkspur Coreopsis |
N |
|
Coreopsis falcata Boynton
|
Pool Coreopsis |
N |
|
Coreopsis grandiflora Hogg ex Sweet var. harveyana (Gray) Sherff
|
Large-flowered Coreopsis |
I |
|
Coreopsis lanceolata L.
|
Long-stalk Coreopsis |
|
|
Coreopsis linifolia Nutt.
|
Savanna Coreopsis |
N |
|
Coreopsis major Walt.
|
Woodland Coreopsis |
N |
|
Coreopsis pubescens Ell.
|
Hairy Coreopsis |
N |
|
Coreopsis tinctoria Nutt. var. tinctoria
|
Plains Coreopsis, Golden Tickseed |
I |
|
Coreopsis tripteris L.
|
Tall Coreopsis |
N |
|
Coreopsis verticillata L.
|
Whorled Coreopsis, Thread-leaf Coreopsis |
N |
|
Coreopsis ×delphiniifolia Lam.
|
Larkspur Coreopsis, Lobed Coreopsis |
N |
|
Coriandrum sativum L.
|
Coriander, Cilantro |
I |
|
Cortaderia selloana (Schultes & Schultes f.) Aschers. & Graebn.
|
Pampas Grass |
I |
|
Corydalis flavula (Raf.) DC
|
Yellow Corydalis, Yellow Fumewort, Yellow Harlequin |
N |
|
Corydalis incisa (Thunb.) Pers.
|
Incised Fumewort, Purple Keman |
I |
|
Corydalis orthopoda Hayata
|
|
I |
|
Corylus americana Walt.
|
American Hazelnut, American Filbert |
N |
|
Corylus cornuta Marsh. var. cornuta
|
Beaked Hazelnut |
N |
|
Coryphopteris simulata (Davenport) S.E. Fawcett
|
Bog Fern, Massachusetts Fern |
N |
|
Coscinodon cribrosus (Hedw.) Spruce
|
|
N |
|
Cosmos bipinnatus Cav.
|
Common Cosmos |
I |
|
Cosmos sulphureus Cav.
|
Orange Cosmos |
I |
|
Cota tinctoria (L.) J. Gay ex Guss.
|
Golden Chamomile |
I |
|
Crataegus aemula Beadle
|
Rome Hawthorn |
N |
|
Crataegus aprica Beadle
|
Sunny Hawthorn |
N |
|
Crataegus beata Sargent
|
Red Hawthorn |
N |
|
Crataegus berberifolia Torr. & Gray
|
Barberry Hawthorn |
N |
|
Crataegus calpodendron (Ehrh.) Medik.
|
Pear Hawthorn |
N |
|
Crataegus coccinea L.
|
Scarlet Hawthorn |
N |
|
Crataegus collina Chapman
|
Hillside Hawthorn |
N |
|
Crataegus compacta Sargent
|
Clustered Hawthorn, Thames Hawthorn |
N |
|
Crataegus craytonii Beadle
|
Crayton's Hawthorn |
N |
|
Crataegus crus-galli L. var. crus-galli
|
Cockspur Hawthorn |
N |
|
Crataegus crus-galli L. var. pyracanthifolia Aiton
|
Narrowleaf Cockspur Hawthorn |
N |
|
Crataegus dodgei Ashe
|
Dodge's Hawthorn |
N |
|
Crataegus intricata Lange var. biltmoreana (Beadle) R.W. Lance
|
Biltmore Hawthorn |
N |
|
Crataegus intricata Lange var. boyntonii (Beadle) Kruschke
|
Boynton's Hawthorn |
N |
|
Crataegus intricata Lange var. intricata
|
Entangled Hawthorn |
N |
|
Crataegus intricata Lange var. rubella (Beadle) Kruschke
|
Reddish Hawthorn |
N |
|
Crataegus intricata Lange var. straminea (Beadle) E.J. Palmer
|
Yellow-fruited Hawthorn |
N |
|
Crataegus iracunda Beadle
|
Forest Hawthorn |
N |
|
Crataegus macrosperma Ashe
|
Big-fruited Hawthorn, Eastern Hawthorn |
N |
|
Crataegus margarettae Ashe
|
Margaret's Hawthorn |
N |
|
Crataegus marshallii Egglest.
|
Parsley Hawthorn |
N |
|
Crataegus mollis Scheele var. mollis
|
Downy Hawthorn |
N |
|
Crataegus monogyna Jacquin
|
English Hawthorn |
I |
|
Crataegus pennsylvanica Ashe
|
Pennsylvania Hawthorn |
N |
|
Crataegus pexa Beadle
|
Dwarf Hawthorn |
N |
|
Crataegus phaenopyrum (L. f.) Medik.
|
Washington Hawthorn |
N |
|
Crataegus pruinosa (Wendl. f.) K. Koch var. dissona (Sarg.) Eggelstone
|
Large-leaved Frosted Hawthorn |
N |
|
Crataegus pruinosa (Wendl. f.) K. Koch var. gattingeri (Ashe) R.W. Lance
|
Gattinger's Hawthorn |
N |
|
Crataegus pruinosa (Wendl. f.) K. Koch var. parvula (Sarg.) Phipps
|
Small-leaved Frosted Hawthorn |
N |
|
Crataegus pruinosa (Wendl. f.) K. Koch var. pruinosa
|
Frosted Hawthorn |
N |
|
Crataegus pruinosa (Wendl. f.) K. Koch var. rugosa (Ashe) Kruschke
|
Wide-leaved Frosted Hawthorn |
N |
|
Crataegus pruinosa (Wendl.) K. Koch var. virella (Ashe) Kruschke
|
|
N |
|
Crataegus punctata Jacq.
|
Dotted Hawthorn |
N |
|
Crataegus scabrida Sargent var. asperifolia (Sargent) Kruschke
|
Rough Hawthorn |
N |
|
Crataegus schuettei Ashe
|
Schuette's Hawthorn |
N |
|
Crataegus succulenta Schrad. ex Link var. macracantha (Lodd. ex Loudon) Eggleston
|
Large-thorned Hawthorn |
N |
|
Crataegus succulenta Schrad. ex Link var. neofluvialis (Ashe) E.J. Palmer
|
New River Hawthorn |
N |
|
Crataegus succulenta Schrad. ex Link var. succulenta
|
Fleshy Hawthorn |
N |
|
Crataegus uniflora Muenchh.
|
One-flowered Hawthorn |
N |
|
Crataegus viridis L. var. viridis
|
Green Hawthorn |
N |
|
Crataegus ×disperma Ashe
|
Two-seed Hawthorn |
N |
|
Crataegus ×persimilis Sargent
|
Plumleaf Hawthorn |
N |
|
Crataegus ×vailiae Britton
|
Vail's Hawthorn |
N |
|
Cratoneuron filicinum (Hedw.) Spruce
|
|
N |
|
Crepidomanes intricatum (Farrar) Ebihara & Weakley
|
Grotto-felt, Appalachian Trichomanes, Weft Fern |
N |
|
Crepis capillaris (L.) Wallr.
|
Smooth Hawksbeard |
I |
|
Crepis pulchra L.
|
Small-flower Hawksbeard |
I |
|
Crepis tectorum L.
|
Narrowleaf Hawksbeard |
I |
|
Crocanthemum bicknellii (Fernald) Barnhart
|
Plains Frostweed, Hoary Frostweed |
N |
|
Crocanthemum canadense (L.) Britton
|
Canada Frostweed, Canada Sunrose |
N |
|
Crocanthemum propinquum (Bicknell) Bicknell
|
Low Frostweed |
N |
|
Croptilon divaricatum (Nutt.) Raf.
|
Scratch Daisy |
N |
|
Crossocalyx hellerianus (Nees ex Lindenb.) Meyl.
|
Heller's Notchwort |
N |
|
Crotalaria biflora L.
|
Two-flower Rattlebox |
I |
|
Crotalaria pallida Aiton var. obovata (G. Don) Polhill
|
Smooth Rattlebox |
I |
|
Crotalaria purshii DC.
|
Pursh's Rattlebox |
N |
|
Crotalaria rotundifolia Walt. ex J.F. Gmel.
|
Low Rattlebox, Rabbitbells |
N |
|
Crotalaria sagittalis L.
|
Rattlebox, Arrowhead Rattlebox |
N |
|
Crotalaria spectabilis Roth
|
Showy Rattlebox |
I |
|
Croton bonplandianus Baill.
|
Bonpland's Croton |
I |
|
Croton capitatus Michx.
|
Woolly Croton, Hogwort |
I |
|
Croton glandulosus L. var. septentrionalis Muell.-Arg.
|
Tropic Croton, Tooth-leaved Croton, Sand Croton |
N |
|
Croton monanthogynus Michx.
|
Prairie Tea, One-seeded Croton |
N |
|
Croton willdenowii Webster
|
Glade Rushfoil, Outcrop Rushfoil, Willdenow's Croton |
N |
|
Cryphaea glomerata Schimp. ex Sull.
|
|
N |
|
Cryphaea nervosa (Hook. & Wilson) Müll. Hal.
|
|
N |
|
Cryphaea ravenelii Austin
|
|
N |
|
Cryptotaenia canadensis (L.) DC.
|
Honewort |
N |
|
Ctenidium molluscum (Hedw.) Mitt.
|
|
N |
|
Ctenium aromaticum (Walt.) Wood
|
Toothache Grass, Orange Grass |
N |
|
Cubelium concolor (T.F. Forst.) Raf. ex Britt. & A. Brown
|
Green Violet |
N |
|
Cucumis melo L.
|
Cantaloupe |
I |
|
Cucurbita pepo L.
|
Pumpkin |
I |
|
Cunila origanoides (L.) Britt.
|
Common Dittany, Wild Oregano, Stonemint |
N |
|
Cuphea carthagenensis (Jacq.) McBride
|
Colombian Waxweed |
I |
|
Cuphea viscosissima Jacq.
|
Blue Waxweed, Clammy Cuphea |
N |
|
Cuscuta campestris Yuncker
|
Field Dodder |
N |
|
Cuscuta cephalanthi Engelm.
|
Buttonbush Dodder |
N |
|
Cuscuta compacta Jussieu ex Choisy
|
Compact Dodder |
N |
|
Cuscuta coryli Engelm.
|
Hazel Dodder |
N |
|
Cuscuta gronovii Willd. ex Roem. & Schult.
|
Common Dodder |
N |
|
Cuscuta indecora Choisy var. indecora
|
Big-seed Alfalfa Dodder, Large-seed Dodder, Pretty Dodder |
N |
|
Cuscuta pentagona Engelm.
|
Five-angled Dodder |
N |
|
Cuscuta polygonorum Engelm.
|
Smartweed Dodder |
N |
|
Cuscuta rostrata Shuttlw. ex Engelm. & Gray
|
Beaked Dodder |
N |
|
Cuthbertia graminea Small
|
Grasslike Roselings |
N |
|
Cyanus segetum Hill
|
Cornflower, Bachelor's-buttons |
I |
|
Cyclachaena xanthiifolia (Nutt.) Fresenius
|
Giant Sumpweed |
I |
|
Cyclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson
|
Marsh Parsley |
I |
|
Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. ssp. muralis
|
Kenilworth-ivy |
I |
|
Cymophyllus fraserianus (Ker-Gawler) Kartesz & Gandhi
|
Fraser's Sedge, Lily-leaf Sedge |
N |
|
Cynanchum laeve (Michx.) Pers.
|
Honeyvine, Sandvine |
N |
|
Cynodon dactylon (L.) Pers.
|
Bermuda Grass |
I |
|
Cynoglossum officinale L.
|
Hound's-tongue |
I |
|
Cynosurus echinatus L.
|
Rough Dogtail Grass, Bristly Dogtail Grass |
I |
|
Cyperus acuminatus Torr. & Hook.
|
Taper-tip Flatsedge, Pale Umbrella-sedge |
|
|
Cyperus bipartitus Torrey
|
Slender Flatsedge, Shining Flatsedge |
N |
|
Cyperus brevifolioides Thieret & Delahoussaye
|
Pasture Spikesedge, Asiatic Greenhead Sedge |
I |
|
Cyperus compressus L.
|
Poorland Flatsedge |
N |
|
Cyperus croceus Vahl
|
Baldwin's Flatsedge |
N |
|
Cyperus dentatus Torrey
|
Toothed Flatsedge |
N |
|
Cyperus diandrus Torrey
|
Umbrella Flatsedge |
N |
|
Cyperus difformis L.
|
Variable Flatsedge |
I |
|
Cyperus echinatus (L.) Wood
|
Globe Flatsedge |
N |
|
Cyperus erythrorhizos Muhlenberg
|
Red-root Flatsedge |
N |
|
Cyperus esculentus L. var. leptostachyus Böckler
|
Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond |
|
|
Cyperus filicinus Vahl.
|
Fern Flatsedge |
N |
|
Cyperus filiculmis Vahl.
|
Southeastern Flatsedge |
N |
|
Cyperus flavescens L.
|
Yellow Flatsedge |
N |
|
Cyperus flavicomus Michaux
|
White-edge Flatsedge |
N |
|
Cyperus fuscus L.
|
Brown Galingale |
I |
|
Cyperus granitophilus McVaugh
|
Granite Flatsedge |
N |
|
Cyperus grayi Torrey
|
Gray's Flatsedge |
N |
|
Cyperus haspan L.
|
Sheathed Flatsedge |
N |
|
Cyperus hortensis (Salzmann ex Steudel) Dorr
|
Low Spikesedge |
N |
|
Cyperus houghtonii Torrey
|
Houghton's Flatsedge |
N |
|
Cyperus hystricinus Fernald
|
Bristly Flatsedge |
N |
|
Cyperus iria L.
|
Rice-field Flatsedge |
I |
|
Cyperus lancastriensis Porter ex Gray
|
Many-flowered Flatsedge |
N |
|
Cyperus lupulinus (Sprengel) Marcks ssp. lupulinus
|
Upland Flatsedge |
N |
|
Cyperus lupulinus (Sprengel) Marcks ssp. macilentus Fernald
|
Small-scale Upland Flatsedge |
N |
|
Cyperus lupulinus complex
|
|
N |
|
Cyperus microiria Steudel
|
Asian Flatsedge |
I |
|
Cyperus neotropicalis Alain
|
American Halfchaff Sedge |
N |
|
Cyperus odoratus L. var. engelmannii (Steud.) R. Carter, S.D. Jones, & Wipff
|
Slender Sand Sedge |
N |
|
Cyperus odoratus L. var. odoratus
|
Fragrant Flatsedge, Rusty Flatsedge |
N |
|
Cyperus odoratus L. var. squarrosus (N. Britt.) S.D. Jones, Wipff, & R. Carter
|
|
N |
|
Cyperus plukenetii Fernald
|
Plukenet's Flatsedge |
N |
|
Cyperus polystachyos Rottboell
|
Coast Flatsedge, Many-spike Flatsedge |
N |
|
Cyperus pseudovegetus Steudel
|
Green Flatsedge, Marsh Flatsedge |
N |
|
Cyperus refractus Engelm. ex Boeckl.
|
Reflexed Flatsedge |
N |
|
Cyperus retrofractus (L.) Torrey
|
Rough Flatsedge |
N |
|
Cyperus retrorsus Chapman
|
Pineland Flatsedge |
N |
|
Cyperus rotundus L.
|
Purple Nutsedge, Nutgrass, Cocograss |
I |
|
Cyperus squarrosus L. var. squarrosus
|
Awned Flatsedge |
N |
|
Cyperus strigosus L.
|
Straw-colored Flatsedge |
N |
|
Cyperus subsquarrosus (Muhl.) Bauters
|
Small-flower Halfchaff Sedge, Dwarf Bulrush |
N |
|
Cyperus surinamensis Rottb.
|
Tropical Flatsedge |
I |
|
Cyperus virens Michaux
|
Green Flatsedge |
I |
|
Cypripedium acaule Aiton
|
Pink Lady's-slipper, Moccasin-flower |
N |
|
Cypripedium candidum Muhl. ex Willd.
|
Small White Lady's-slipper |
N |
|
Cypripedium kentuckiense C.F.Reed
|
Kentucky Lady's-slipper |
N |
|
Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight
|
Large Yellow Lady's-slipper |
N |
|
Cypripedium reginae Walter
|
Showy Lady's-slipper, Queen Lady's-slipper |
N |
|
Cyrilla racemiflora L.
|
Swamp Cyrilla, Ti-ti |
N |
|
Cyrto-hypnum minutulum (Hedw.) W.R. Buck & H.A. Crum
|
|
N |
|
Cyrto-hypnum pygmaeum (Schimper) W. R. Buck & H. A. Crum
|
|
N |
|
Cyrtomium falcatum (L.f.) K. Presl
|
Asian Net-vein Holly Fern |
I |
|
Cystopteris bulbifera (L.) Bernh.
|
Bulblet Fern, Bulblet Bladder Fern |
N |
|
Cystopteris protrusa (Weatherby) Blasdell
|
Lowland Bladder Fern, Lowland Brittle Fern |
N |
|
Cystopteris tennesseensis Shaver
|
Tennessee Bladder Fern |
N |
|
Cystopteris tenuis (Michx.) Desv.
|
Fragile Fern, Mackay's Bladder Fern |
N |
|
Cytisus scoparius (L.) Link
|
Common Broom, Scotch Broom |
I |