Endangered Species
|
Common Name
|
Order
|
Family
|
Subfamily
|
Tribe
|
Subtribe
|
#
|
Acalypha virginica
|
Virginia three-seed mercury
|
Euphorbiales
|
Euphorbiaceae
|
Acalyphoideae
|
Acalypheae
|
|
1
|
Aconitum noveboracense
|
Northern monkshood
|
Ranunculales
|
Ranunculaceae
|
Ranunculoideae
|
Aconiteae
|
|
1
|
Actaea pachypoda
|
White baneberry
|
Ranunculales
|
Ranunculaceae
|
Ranunculoideae
|
Actaeeae
|
|
4
|
Actaea rubra
|
Red baneberry
|
Ranunculales
|
Ranunculaceae
|
Ranunculoideae
|
Actaeeae
|
|
4
|
Adiantum pedatum
|
Maidenhair fern
|
Polypodiales
|
Pteridaceae
|
Vittarioideae
|
|
|
4
|
Adoxa moschatellina
|
Musk root
|
Dipsacales
|
Adoxaceae
|
Adoxoideae
|
|
|
1
|
Agalinis acuta
|
Sandplain Gerardia
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Gerardieae
|
|
1
|
Agalinis fasciculata
|
Fascicled False Foxglove
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Gerardieae
|
|
3
|
Agalinis maritima var. maritima
|
Seaside Gerardia
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Gerardieae
|
|
2
|
Agalinis paupercula var. borealis
|
Northern False Foxglove
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Gerardieae
|
|
3
|
Agastache nepetoides
|
Yellow Giant-hyssop
|
Lamiales
|
Lamiaceae
|
Nepetoideae
|
Mentheae
|
Neptinae
|
2
|
Ageratina aromatica var. aromatica
|
Small White Snakeroot
|
Asterales
|
Asteraceae
|
Asteroideae
|
Eupatorieae
|
Oxylobinae
|
1
|
Agrimonia parviflora
|
Swamp Agrimony
|
Rosales
|
Rosaceae
|
Rosoideae
|
Agrimonieae
|
Agrimoniineae
|
3
|
Agrimonia rostellata
|
Woodland Agrimony
|
Rosales
|
Rosaceae
|
Rosoideae
|
Agrimonieae
|
Agrimoniineae
|
2
|
Agrostis mertensii
|
Northern Bentgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
2
|
Aletris farinosa
|
Stargrass
|
Nartheciales
|
Nartheciaceae
|
|
|
|
2
|
Alisma gramineum
|
Water-plantain
|
Alismatales
|
Alismataceae
|
|
|
|
2
|
Allium cernuum var. cernuum
|
Nodding Wild Onion
|
Iridales
|
Alliaceae
|
Allioideae
|
|
|
2
|
Allium tricoccum var. burdickii
|
Burdick's Wild Leek
|
Iridales
|
Alliaceae
|
Allioideae
|
|
|
1
|
Amaranthus pumilus
|
Seabeach Amaranth
|
Caryophyllales
|
Amaranthaceae
|
Amaranthoideae
|
|
|
2
|
Amelanchier nantucketensis
|
Nantucket Juneberry
|
Rosales
|
Rosaceae
|
Maloideae
|
Maleae
|
|
1
|
Ammophila breviligulata ssp. champlainensis
|
Champlain Beachgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
1
|
Amphicarpum purshii
|
Peanut Grass
|
Poales
|
Poaceae
|
Panicoideae
|
Paniceae
|
Paspalinae
|
1
|
Angelica lucida
|
Seacoast Angelica
|
Apiales
|
Apiaceae
|
Apioideae
|
Selineae
|
|
2
|
Angelica venenosa
|
Hairy Angelica
|
Apiales
|
Apiaceae
|
Apioideae
|
Selineae
|
|
3
|
Anthoxanthum monticola ssp. monticola
|
Alpine Sweetgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Phalaridinae
|
1
|
Anticlea elegans ssp. glaucus
|
Mountain Death Camas
|
Liliales
|
Melanthiaceae
|
|
Melanthieae
|
|
2
|
Aplectrum hyemale
|
Puttyroot
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Maxillarieae
|
|
1
|
Arethusa bulbosa
|
Dragon's Mouth Orchid
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Arethuseae
|
|
2
|
Argentina egedii ssp. egedii
|
Coastal Silverweed
|
Rosales
|
Rosaceae
|
Rosoideae
|
Potentilleae
|
Potentillineae
|
2
|
Arisaema dracontium
|
Green Dragon
|
Alismatales
|
Araceae
|
Aroideae
|
Arisaemateae
|
|
4
|
Arnica lanceolata ssp. lanceolata
|
Lanceleaf Arnica
|
Asterales
|
Asteraceae
|
Asteroideae
|
Madieae
|
Arnicinae
|
1
|
Arnoglossum atriplicifolium
|
Pale Indian-plantain
|
Asterales
|
Asteraceae
|
Asteroideae
|
Senecioneae
|
Tussilagininae
|
1
|
Asclepias purpurascens
|
Purple Milkweed
|
Gentianales
|
Apocynaceae
|
Asclepiadoideae
|
Asclepiadeae
|
Asclepiadinae
|
2
|
Asclepias tuberosa ssp. interior
|
Butterfly-weed
|
Gentianales
|
Apocynaceae
|
Asclepiadoideae
|
Asclepiadeae
|
Asclepiadinae
|
4
|
Asclepias variegata
|
White Milkweed
|
Gentianales
|
Apocynaceae
|
Asclepiadoideae
|
Asclepiadeae
|
Asclepiadinae
|
1
|
Asclepias verticillata
|
Whorled Milkweed
|
Gentianales
|
Apocynaceae
|
Asclepiadoideae
|
Asclepiadeae
|
Asclepiadinae
|
3
|
Asclepias viridiflora
|
Green Milkweed
|
Gentianales
|
Apocynaceae
|
Asclepiadoideae
|
Asclepiadeae
|
Asclepiadinae
|
2
|
Asimina triloba
|
Pawpaw
|
Magnoliales
|
Annonaceae
|
Annonoideae
|
Uvarieae
|
|
2
|
Asplenium bradleyi
|
Bradley's Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
1
|
Asplenium montanum
|
Mountain Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
2
|
Asplenium platyneuron var. platyneuron
|
Ebony Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
4
|
Asplenium rhizophyllum
|
Walking Fern
|
Polypodiales
|
Aspleniaceae
|
|
|
|
4
|
Asplenium ruta-muraria
|
Wall-rue Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
4
|
Asplenium scolopendrium var. americanum
|
Hart's-tongue Fern
|
Polypodiales
|
Aspleniaceae
|
|
|
|
2
|
Asplenium trichomanes ssp. quadrivalens
|
Maidenhair Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
4
|
Asplenium trichomanes ssp. trichomanes
|
Maidenhair Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
4
|
Asplenium viride ~ A. trichomanes-ramosum
|
Green Spleenwort
|
Polypodiales
|
Aspleniaceae
|
|
|
|
1
|
Astragalus neglectus
|
Cooper's Milkvetch
|
Fabales
|
Fabaceae
|
Faboideae
|
Galegeae
|
|
1
|
Athyrium filix-femina ssp. angustum
|
Lady Fern
|
Polypodiales
|
Athyriaceae
|
|
|
|
4
|
Athyrium filix-femina ssp. asplenioides
|
Lady Fern
|
Polypodiales
|
Athyriaceae
|
|
|
|
4
|
Atriplex dioica
|
Thickleaf Orach
|
Caryophyllales
|
Chenopodiaceae
|
Chenopodioideae
|
Chenopodieae
|
|
1
|
Atriplex glabriuscula
|
Seaside Orach
|
Caryophyllales
|
Chenopodiaceae
|
Chenopodioideae
|
Chenopodieae
|
|
1
|
Azolla caroliniana
|
Mosquito-fern
|
Salviniales
|
Salviniaceae
|
|
|
|
4
|
Bartonia paniculata ssp. paniculata
|
Screw-stem
|
Gentianales
|
Gentianaceae
|
|
Gentianeae
|
|
1
|
Betula glandulosa
|
Tundra Dwarf Birch
|
Juglandales
|
Betulaceae
|
Betuloideae
|
|
|
1
|
Betula minor
|
Dwarf White Birch
|
Juglandales
|
Betulaceae
|
Betuloideae
|
|
|
1
|
Betula nigra
|
River Birch
|
Juglandales
|
Betulaceae
|
Betuloideae
|
|
|
3
|
Betula pumila
|
Swamp Birch
|
Juglandales
|
Betulaceae
|
Betuloideae
|
|
|
2
|
Bidens bidentoides
|
Delmarva Beggar-ticks
|
Asterales
|
Asteraceae
|
Asteroideae
|
Coreopsideae
|
Coreopsidinae
|
3
|
Bidens hyperborea var. hyperborea
|
Estuary Beggar-ticks
|
Asterales
|
Asteraceae
|
Asteroideae
|
Coreopsideae
|
Coreopsidinae
|
1
|
Bidens laevis
|
Smooth Bur-marigold
|
Asterales
|
Asteraceae
|
Asteroideae
|
Coreopsideae
|
Coreopsidinae
|
2
|
Blephilia ciliata
|
Downy Wood-mint
|
Lamiales
|
Lamiaceae
|
Nepetoideae
|
Mentheae
|
Menthinae
|
1
|
Boechera dentata
|
Toothed Rock-cress
|
Capparales
|
Brassicaceae
|
|
Boechereae
|
|
2
|
Boechera grahamii
|
Purple Rock-cress
|
Capparales
|
Brassicaceae
|
|
Boechereae
|
|
2
|
Boechera missouriensis
|
Green Rock-cress
|
Capparales
|
Brassicaceae
|
|
Boechereae
|
|
2
|
Boechera stricta
|
Drummond's Rock-cress
|
Capparales
|
Brassicaceae
|
|
Boechereae
|
|
2
|
Bolboschoenus maritimus ssp. paludosus
|
Seaside Bulrush
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Fuireneae
|
|
2
|
Bolboschoenus novae-angliae
|
Saltmarsh Bulrush
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Fuireneae
|
|
1
|
Botrychium campestre
|
Prairie Dunewort
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
1
|
Botrychium dissectum
|
Cut-leaf Grape Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Botrychium lanceolatum ssp. angustisegmentum
|
Lance-leaf Grape Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Botrychium lunaria
|
Common Moonwort
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
1
|
Botrychium matricariifolium
|
Matricary Grape Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Botrychium minganense
|
Mingan Moonwort
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
1
|
Botrychium multifidum
|
Leathery Grape Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Botrychium oneidense
|
Blunt-lobe Grape Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
2
|
Botrychium rugulosum
|
Rugulose grape-fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
1
|
Botrychium simplex
|
Least Moonwort
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Botrychium virginianum
|
Rattlesnake Fern
|
Ophioglossales
|
Ophioglossaceae
|
|
|
|
4
|
Bouteloua curtipendula var. curtipendula
|
Side-oats Grama
|
Poales
|
Poaceae
|
Chloridoideae
|
Cynodonteae
|
Boutelouinae
|
1
|
Bromus nottowayanus
|
Nottoway Brome Grass
|
Poales
|
Poaceae
|
Pooideae
|
Hordeeae
|
Bromineae
|
1
|
Buchnera americana
|
Blue-hearts
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Buchnereae
|
|
1
|
Calamagrostis perplexa
|
Wood Reedgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
1
|
Calamagrostis pickeringii
|
Pickering's Reedgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
3
|
Calamagrostis porteri ssp. porteri
|
Porter's Reedgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
1
|
Calamagrostis stricta ssp. inexpansa
|
New England Northern Reedgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
2
|
Calamagrostis stricta ssp. stricta
|
Northern Reedgrass
|
Poales
|
Poaceae
|
Pooideae
|
Poeae
|
Agrostidinae
|
1
|
Callitriche hermaphroditica
|
Autumnal Water-starwort
|
Lamiales
|
Plantaginaceae
|
|
Callitricheae
|
|
1
|
Callitriche terrestris
|
Terrestrial Starwort
|
Lamiales
|
Plantaginaceae
|
|
Callitricheae
|
|
2
|
Calopogon tuberosus var. tuberosus
|
Grass Pink
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Arethuseae
|
|
4
|
Calypso bulbosa
|
Fairy Slipper
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Calypsoeae
|
|
1
|
Campanula rotundifolia
|
Harebell
|
Asterales
|
Campanulaceae
|
Campanuloideae
|
|
|
4
|
Campanulastrum americanum
|
Tall Bellflower
|
Asterales
|
Campanulaceae
|
Campanuloideae
|
|
|
1
|
Cardamine douglassii
|
Purple Cress
|
Capparales
|
Brassicaceae
|
|
Cardamineae
|
|
2
|
Cardamine longii
|
Long's Bittercress
|
Capparales
|
Brassicaceae
|
|
Cardamineae
|
|
2
|
Cardamine rotundifolia
|
Mountain Watercress
|
Capparales
|
Brassicaceae
|
|
Cardamineae
|
|
1
|
Carex abscondita
|
Thicket Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex aggregata
|
Glomerate Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex albicans var. emmonsii
|
Emmons' Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex amphibola
|
Narrow-leaved Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex arcta
|
Northern Clustered Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex atherodes
|
Awned Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex atratiformis
|
Scabrous Black Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex backii
|
Back's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex barrattii
|
Barratt's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex bicknellii
|
Bicknell's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex bigelowii
|
Bigelow's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex bullata
|
Button Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex bushii
|
Bush's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex buxbaumii
|
Brown Bog Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex capillaris
|
Hair-like Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex careyana
|
Carey's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex caroliniana
|
Carolina sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex chordorrhiza
|
Creeping Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex collinsii
|
Collins' Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex conjuncta
|
Soft Fox Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex crawei
|
Crawe's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex cryptolepis
|
Northeastern Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex cumulata
|
Clustered Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex davisii
|
Davis' Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex debilis var. debilis
|
White-edge Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex decomposita
|
Cypress-knee Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex echinoides
|
Bristly Nodding Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex emoryi
|
Emory's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex formosa
|
Handsome Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex frankii
|
Frank's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex garberi
|
Elk Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex glaucodea
|
Glaucous Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex gynocrates
|
Northern Bog Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex haydenii
|
Cloud Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex hormathodes
|
Marsh Straw Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex houghtoniana
|
Houghton's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex jamesii
|
James' Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex livida
|
Livid Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex lupuliformis
|
False Hop Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex meadii
|
Mead's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex merritt-fernaldii
|
Fernald's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex mesochorea
|
Midland Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex mitchelliana
|
Mitchell's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex molesta
|
Troublesome Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex muehlenbergii var. enervis
|
Muhlenberg's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex nigra
|
Black Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex nigromarginata
|
Black-edge Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex oligosperma
|
Few-seed Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex retroflexa
|
Reflexed Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex reznicekii
|
Reznicek's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex sartwellii
|
Sartwell's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex schweinitzii
|
Schweinitz' Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
2
|
Carex scirpoidea ssp. scirpoidea
|
Canadian Single-spike Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex shortiana
|
Short's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex straminea
|
Straw Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex striata var. brevis
|
Walter's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carex striatula
|
Lined Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex styloflexa
|
Bent Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex sychnocephala
|
Many-head Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex tenuiflora
|
Sparse-flowered Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex tincta
|
Tinged Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex typhina
|
Cat-tail Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex vaginata
|
Sheathed Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex venusta
|
Dark-green Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex wiegandii
|
Wiegand's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
1
|
Carex willdenowii
|
Willdenow's Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cariceae
|
|
3
|
Carya laciniosa
|
Big Shellbark Hickory
|
Juglandales
|
Juglandaceae
|
Juglandoideae
|
Caryeae
|
|
2
|
Castilleja coccinea
|
Scarlet Indian-paintbrush
|
Lamiales
|
Orobanchaceae
|
Rhinanthoideae
|
Castillejeae
|
|
1
|
Ceanothus herbaceus
|
Prairie Redroot
|
Rhamnales
|
Rhamnaceae
|
Ziziphoideae
|
Pomaderreae
|
|
1
|
Celastrus scandens
|
American Bittersweet
|
Celastrales
|
Celastraceae
|
Celastroideae
|
|
|
3
|
Cenchrus tribuloides
|
Dune Sandspur
|
Poales
|
Poaceae
|
Panicoideae
|
Paniceae
|
Cenchrinae
|
2
|
Ceratophyllum echinatum
|
Prickly Hornwort
|
Ceratophyllales
|
Ceratophyllaceae
|
|
|
|
3
|
Chaerophyllum procumbens
|
Spreading Chervil
|
Apiales
|
Apiaceae
|
Apioideae
|
Scandiceae
|
Scandicinae
|
1
|
Chamaecyparis thyoides
|
Atlantic White Cedar
|
Pinales
|
Cupressaceae
|
Cupressoideae
|
|
|
2
|
Chamaelirium luteum
|
Fairy Wand
|
Liliales
|
Melanthiaceae
|
|
Chionographideae
|
|
1
|
Chasmanthium laxum
|
Slender Spikegrass
|
Poales
|
Poaceae
|
Panicoideae
|
Centotheceae
|
|
1
|
Cheilanthes lanosa
|
Wooly Lip-fern
|
Polypodiales
|
Pteridaceae
|
Cheilanthoideae
|
|
|
1
|
Chelone glabra
|
Turtle-heads
|
Lamiales
|
Plantaginaceae
|
|
Cheloneae
|
|
4
|
Chenopodium berlandieri var. macrocalycium
|
Large-calyx Goosefoot
|
Caryophyllales
|
Chenopodiaceae
|
Chenopodioideae
|
Chenopodieae
|
|
1
|
Chenopodium rubrum ~ Oxybasis rubra
|
Red Pigweed
|
Caryophyllales
|
Chenopodiaceae
|
Chenopodioideae
|
Chenopodieae
|
|
2
|
Chimaphila maculata
|
Spotted Wintergreen
|
Ericales
|
Ericaceae
|
Monotropoideae
|
Pyroleae
|
|
4
|
Chimaphila umbellata ssp. cisatlantica
|
Pipsissewa
|
Ericales
|
Ericaceae
|
Monotropoideae
|
Pyroleae
|
|
4
|
Clintonia umbellulata
|
Speckled Woodlily
|
Liliales
|
Liliaceae
|
Medeoloideae
|
|
|
3
|
Coeloglossum viride
|
Long-bracted Orchid
|
Orchidales
|
Orchidaceae
|
Orchidoideae
|
Orchideae
|
|
4
|
Collinsia verna
|
Blue-eyed-Mary
|
Lamiales
|
Plantaginaceae
|
|
Cheloneae
|
|
1
|
Conopholis americana
|
Squawroot
|
Lamiales
|
Orobanchaceae
|
Orobanchoideae
|
Orobancheae
|
|
4
|
Corallorhiza maculate var. maculata
|
Spotted Coralroot
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Maxillarieae
|
|
4
|
Corallorhiza odontorhiza var. odontorhiza
|
Autumn Coralroot
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Maxillarieae
|
|
4
|
Corallorhiza odontorhiza var. pringlei
|
Autumn Coralroot
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Maxillarieae
|
|
4
|
Corallorhiza striata var. striata
|
Striped Coralroot
|
Orchidales
|
Orchidaceae
|
Epidendroideae
|
Maxillarieae
|
|
1
|
Corema conradii
|
Broom Crowberry
|
Ericales
|
Ericaceae
|
Empetroideae
|
Empetreae
|
|
1
|
Coreopsis rosea
|
Rose Coreopsis
|
Asterales
|
Asteraceae
|
Asteroideae
|
Coreopsideae
|
Coreopsidinae
|
3
|
Cornus drummondii
|
Rough-leaf Dogwood
|
Cornales
|
Cornaceae
|
Cornoideae
|
|
|
1
|
Cornus florida
|
Flowering Dogwood
|
Cornales
|
Cornaceae
|
Cornoideae
|
|
|
4
|
Corydalis aurea
|
Golden Corydalis
|
Ranunculales
|
Papaveraceae
|
Fumarioideae
|
Corydaleae
|
|
2
|
Corydalis flavula
|
Yellow Harlequin
|
Ranunculales
|
Papaveraceae
|
Fumarioideae
|
Corydaleae
|
|
3
|
Crassula aquatica
|
Water Pigmyweed
|
Saxifragales
|
Crassulaceae
|
Crassuloideae
|
|
|
1
|
Crataegus berberifolia
|
Barberry-leaved Hawthorn
|
Rosales
|
Rosaceae
|
Maloideae
|
Maleae
|
|
1
|
Crataegus mollis
|
Downy Hawthorn
|
Rosales
|
Rosaceae
|
Maloideae
|
Maleae
|
|
1
|
Crataegus uniflora
|
Dwarf Hawthorn
|
Rosales
|
Rosaceae
|
Maloideae
|
Maleae
|
|
1
|
Crocanthemum dumosum
|
Bushy Rockrose
|
Malvales
|
Cistaceae
|
|
|
|
2
|
Crocanthemum propinquum
|
Early Frostweed
|
Malvales
|
Cistaceae
|
|
|
|
2
|
Crotalaria sagittalis
|
Rattlebox
|
Fabales
|
Fabaceae
|
Faboideae
|
Crotalarieae
|
|
1
|
Cryptogramma stelleri
|
Slender Cliff Brake
|
Polypodiales
|
Pteridaceae
|
Cryptogrammoideae
|
|
|
4
|
Cuscuta campestris
|
Field Dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
1
|
Cuscuta cephalanthi
|
Button-bush Dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
1
|
Cuscuta compacta
|
Sessile Dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
3
|
Cuscuta obtusiflora var. glandulosa
|
Southern Dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
1
|
Cuscuta pentagona
|
Five-angled Field-dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
3
|
Cuscuta polygonorum
|
Smartweed Dodder
|
Solanales
|
Convolvulaceae
|
Cuscutoideae
|
|
|
1
|
Cynoglossum virginianum var. boreale
|
Northern Wild Comfrey
|
Boraginales
|
Boraginaceae
|
Boraginoideae
|
Cynoglosseae
|
|
1
|
Cynoglossum virginianum var. virginianum
|
Wild Comfrey
|
Boraginales
|
Boraginaceae
|
Boraginoideae
|
Cynoglosseae
|
|
1
|
Cyperus echinatus
|
Globose Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
1
|
Cyperus erythrorhizos
|
Red-rooted Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
3
|
Cyperus flavescens
|
Yellow Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
1
|
Cyperus houghtonii
|
Houghton's Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
3
|
Cyperus lupulinus ssp. lupulinus
|
Hop Sedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
2
|
Cyperus odoratus
|
Rusty Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
3
|
Cyperus polystachyos var. texensis
|
Coast Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
1
|
Cyperus retrorsus var. retrorsus
|
Retrorse Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
1
|
Cyperus schweinitzii
|
Schweinitz's Flatsedge
|
Juncales
|
Cyperaceae
|
Cyperoideae
|
Cypereae
|
|
3
|
Cypripedium acaule
|
Pink Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
4
|
Cypripedium arietinum
|
Ram's-head Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
2
|
Cypripedium candidum
|
Small White Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
1
|
Cypripedium parviflorium var. makasin
|
Small Yellow Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
4
|
Cypripedium parviflorium var. parviflorium
|
Small Yellow Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
4
|
Cypripedium parviflorium var. pubescens
|
Yellow Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
4
|
Cypripedium parviflorum var. parviflorum
|
Small Yellow Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
1
|
Cypripedium reginae
|
Showy Ladyslipper
|
Orchidales
|
Orchidaceae
|
Cypripedioideae
|
|
|
4
|
Cystopteris bulbifera
|
Bulblet Fern
|
Polypodiales
|
Cystopteridaceae
|
|
|
|
4
|
Cystopteris fragilis
|
Common Fragile Fern
|
Polypodiales
|
Cystopteridaceae
|
|
|
|
4
|
Cystopteris protrusa
|
Lowland Fragile Fern
|
Polypodiales
|
Cystopteridaceae
|
|
|
|
1
|
Cystopteris tenuis
|
Fragile Fern
|
Polypodiales
|
Cystopteridaceae
|
|
|
|
4
|
Dendrolycopodium dendroideum
|
Northern Tree Clubmoss
|
|
|
|
|
|
4
|
Dendrolycopodium obscurum
|
Ground Pine
|
|
|
|
|
|
4
|
Deparia acrostichoides
|
Silvery Spleenwort
|
|
|
|
|
|
4
|
Descurainia pinnata ssp. brachycarpa
|
Northern Tansy-mustard
|
|
|
|
|
|
1
|
Desmodium ciliare
|
Little-leaf Tick-trefoil
|
|
|
|
|
|
2
|
Desmodium humifusum
|
Spreading Tick-clover
|
|
|
|
|
|
1
|
Desmodium laevigatum
|
Smooth Tick-clover
|
|
|
|
|
|
1
|
Desmodium nuttallii
|
Nuttall's Tick-clover
|
|
|
|
|
|
1
|
Desmodium obtusum
|
Beggar-lice
|
|
|
|
|
|
1
|
Desmodium pauciflorum
|
Small-flowered Tick-clover
|
|
|
|
|
|
1
|
Diapensia lapponica var. lapponica
|
Diapensia
|
|
|
|
|
|
2
|
Diarrhena obovata
|
Beakgrass
|
|
|
|
|
|
2
|
Dichanthelium leibergii
|
Leiberg's Panic Grass
|
|
|
|
|
|
1
|
Dichanthelium oligosanthes var. oligosanthes
|
Few-flowered Panic Grass
|
|
|
|
|
|
1
|
Dichanthelium scabriusculum
|
Panic Grass
|
|
|
|
|
|
1
|
Dichanthelium scoparium
|
Velvet Panic Grass
|
|
|
|
|
|
1
|
Dichanthelium wrightianum
|
Wright's Panic Grass
|
|
|
|
|
|
1
|
Digitaria filiformis
|
Slender Crabgrass
|
|
|
|
|
|
1
|
Diospyros virginiana
|
Persimmon
|
|
|
|
|
|
2
|
Diphasiastrum complanatum
|
Northern Running-pine
|
|
|
|
|
|
1
|
Diphasiastrum digitatum
|
Running-pine
|
|
|
|
|
|
4
|
Diphasiastrum sitchense
|
Sitka Clubmoss
|
|
|
|
|
|
1
|
Diphasiastrum tristachyum
|
Ground Cedar
|
|
|
|
|
|
4
|
Diplazium pycnocarpon
|
Glade Fern
|
|
|
|
|
|
4
|
Draba arabisans
|
Rock-cress
|
|
|
|
|
|
2
|
Draba glabella
|
Smooth Rock-cress
|
|
|
|
|
|
1
|
Draba reptans
|
Carolina Whitlow-grass
|
|
|
|
|
|
2
|
Dracocephalum parviflorum
|
American Dragonhead
|
|
|
|
|
|
1
|
Drosera filiformis
|
Dew-thread
|
|
|
|
|
|
3
|
Drosera filiformis
|
Dewthread
|
|
|
|
|
|
4
|
Drosera intermedia
|
Sundew
|
|
|
|
|
|
4
|
Drosera rotundifolia var. comosa
|
Sundew
|
|
|
|
|
|
4
|
Drosera rotundifolia var. rotundifolia
|
Sundew
|
|
|
|
|
|
4
|
Dryopteris campyloptera
|
Mountain Wood Fern
|
|
|
|
|
|
4
|
Dryopteris carthusiana
|
Spinulose Wood Fern
|
|
|
|
|
|
4
|
Dryopteris celsa
|
Log Fern
|
|
|
|
|
|
1
|
Dryopteris clintoniana
|
Clinton's Shield Fern
|
|
|
|
|
|
4
|
Dryopteris cristata
|
Crested Wood Fern
|
|
|
|
|
|
4
|
Dryopteris fragrans
|
Fragrant Cliff Fern
|
|
|
|
|
|
1
|
Dryopteris goldiana
|
Giant Wood Fern
|
|
|
|
|
|
4
|
Dryopteris intermedia ssp. intermedia
|
Fancy Fern
|
|
|
|
|
|
4
|
Dryopteris marginalis
|
Marginal Wood Fern
|
|
|
|
|
|
4
|
Elatine americana
|
American Waterwort
|
|
|
|
|
|
1
|
Eleocharis aestuum
|
Tidal Spikerush
|
|
|
|
|
|
1
|
Eleocharis diandra
|
Wright's Spikerush
|
|
|
|
|
|
1
|
Eleocharis engelmannii
|
Engelmann's Spikerush
|
|
|
|
|
|
1
|
Eleocharis equisetoides
|
Knotted Spikerush
|
|
|
|
|
|
2
|
Eleocharis fallax
|
Creeping Spikerush
|
|
|
|
|
|
1
|
Eleocharis melanocarpa
|
Black-fruited Spikerush
|
|
|
|
|
|
3
|
Eleocharis ovata
|
Ovate Spikerush
|
|
|
|
|
|
1
|
Eleocharis quadrangulata
|
Angled Spikerush
|
|
|
|
|
|
1
|
Eleocharis robbinsii
|
Robbins Spikerush
|
|
|
|
|
|
3
|
Eleocharis tenuis var. pseudoptera
|
Slender Spikerush
|
|
|
|
|
|
1
|
Eleocharis tricostata
|
Three-ribbed Spikerush
|
|
|
|
|
|
1
|
Eleocharis tuberculosa
|
Long-tubercled Spikerush
|
|
|
|
|
|
2
|
Eleocharis uniglumis var. halophila
|
Salt-marsh Spikerush
|
|
|
|
|
|
2
|
Elymus glaucus ssp. glaucus
|
Blue Wild Rye
|
|
|
|
|
|
1
|
Empetrum atropurpureum
|
Purple Crowberry
|
|
|
|
|
|
1
|
Empetrum nigrum
|
Black Crowberry
|
|
|
|
|
|
3
|
Endodeca serpentaria
|
Virginia Snakeroot
|
|
|
|
|
|
2
|
Epigaea repens
|
Trailing Arbutus
|
|
|
|
|
|
4
|
Epilobium hornemannii ssp. hornemannii
|
Alpine Willow-herb
|
|
|
|
|
|
1
|
Equisetum palustre
|
Marsh Horsetail
|
|
|
|
|
|
2
|
Equisetum pratense
|
Meadow Horsetail
|
|
|
|
|
|
2
|
Erechtites hieraciifolius var. megalocarpa
|
Fireweed
|
|
|
|
|
|
1
|
Erigenia bulbosa
|
Harbinger-of-spring
|
|
|
|
|
|
1
|
Erigeron hyssopifolius
|
Daisy Fleabane
|
|
|
|
|
|
1
|
Erigeron philadelphicus var. provancheri
|
Provancher's Fleabane
|
|
|
|
|
|
1
|
Eriophorum angustifolium ssp. angustifolium
|
Narrow-leaf Cottongrass
|
|
|
|
|
|
1
|
Euonymus americanus
|
American Strawberry-bush
|
|
|
|
|
|
1
|
Euonymus obovatus
|
Running Strawberry-bush
|
|
|
|
|
|
4
|
Eupatorium album var. subvenosum
|
White Boneset
|
|
|
|
|
|
2
|
Eupatorium album var. album
|
White Boneset
|
|
Asteraceae
|
Asteroideae
|
Eupatorieae
|
|
1
|
Eupatorium leucolepis var. leucolepis
|
White-bracted Boneset
|
|
Asteraceae
|
Asteroideae
|
Eupatorieae
|
|
1
|
Eupatorium pubescens
|
Serrate Round-leaf Boneset
|
|
Asteraceae
|
Asteroideae
|
Eupatorieae
|
|
1
|
Eupatorium rotundifolium var. rotundifolium
|
Round-leaf Boneset
|
|
Asteraceae
|
Asteroideae
|
Eupatorieae
|
|
1
|
Eupatorium torreyanum
|
Fringed Boneset
|
|
|
|
|
|
2
|
Euphorbia ipecacuanhae
|
American Ipecac
|
|
|
|
|
|
1
|
Eurybia radula
|
Swamp Aster
|
|
|
|
|
|
1
|
Eurybia spectabilis
|
Showy Aster
|
|
|
|
|
|
2
|
Festuca saximontana var. saximontana
|
Sheep Fescue
|
|
|
|
|
|
1
|
Fimbristylis castanea
|
Marsh Fimbry
|
|
|
|
|
|
2
|
Frasera caroliniensis
|
Green Gentian
|
|
|
|
|
|
2
|
Fuirena pumila
|
Dwarf Umbrella Sedge
|
|
|
|
|
|
3
|
Galearis spectabilis
|
Showy Orchis
|
|
|
|
|
|
4
|
Galium concinnum
|
Shining Bedstraw
|
|
|
|
|
|
1
|
Galium kamtschaticum
|
Northern Wild-licorice
|
|
|
|
|
|
1
|
Gaylussacia bigeloviana
|
Dwarf Huckleberry
|
|
|
|
|
|
1
|
Gentiana andrewsii
|
Closed Gentian
|
|
|
|
|
|
4
|
Gentiana clausa
|
Blind Gentian
|
|
|
|
|
|
4
|
Gentiana linearis
|
Closed Gentian
|
|
|
|
|
|
4
|
Gentiana saponaria
|
Soapwort Gentian
|
|
|
|
|
|
1
|
Gentianella quinquefolia ssp. quinquefolia
|
Stiff Gentian
|
|
|
|
|
|
4
|
Gentianopsis crinita
|
Fringed Gentian
|
|
|
|
|
|
4
|
Gentianopsis virgata
|
Lesser Fringed Gentian
|
|
|
|
|
|
1
|
Geocaulon lividum
|
Purple Comandra
|
|
|
|
|
|
1
|
Geum macrophyllum var. macrophyllum
|
Bigleaf Yellow Avens
|
|
|
|
|
|
1
|
Geum triflorum var. triflorum
|
Prairie-smoke
|
|
|
|
|
|
2
|
Geum virginianum
|
Rough Avens
|
|
|
|
|
|
2
|
Goodyera pubescens
|
Downy Rattlesnake-plantain
|
|
|
|
|
|
4
|
Goodyera repens
|
Dwarf Rattlesnake-plantain
|
|
|
|
|
|
4
|
Goodyera tesselata
|
Rattlesnake Plantain
|
|
|
|
|
|
4
|
Gymnocarpium dryopteris
|
Oak Fern
|
|
|
|
|
|
4
|
Gymnocladus dioicus
|
Kentucky Coffee Tree
|
|
|
|
|
|
1
|
Hackelia deflexa var. americana
|
Northern Stickseed
|
|
|
|
|
|
1
|
Halenia deflexa
|
Spurred Gentian
|
|
|
|
|
|
1
|
Hasteola suaveolens
|
Sweet-scented Indian-plantain
|
|
|
|
|
|
1
|
Hedeoma hispida
|
Mock-pennyroyal
|
|
|
|
|
|
2
|
Helianthus angustifolius
|
Swamp Sunflower
|
|
|
|
|
|
2
|
Heteranthera reniformis
|
Kidneyleaf Mud-plantain
|
|
|
|
|
|
3
|
Heuchera americana var. americana
|
American Alumroot
|
|
|
|
|
|
3
|
Hippuris vulgaris
|
Common Mare's-tail
|
|
|
|
|
|
1
|
Hottonia inflata
|
Featherfoil
|
|
|
|
|
|
2
|
Houstonia purpurea var. calycosa
|
Southern Bluets
|
|
|
|
|
|
1
|
Houstonia purpurea var. purpurea
|
Purple Bluets
|
|
|
|
|
|
1
|
Huperzia appressa
|
Appalachian Firmoss
|
|
|
|
|
|
3
|
Huperzia lucidula
|
Shining Firmoss
|
|
|
|
|
|
4
|
Huperzia selago
|
Fir Clubmoss
|
|
|
|
|
|
1
|
Hydrangea arborescens
|
Wild Hydrangea
|
|
|
|
|
|
2
|
Hydrastis canadensis
|
Golden-seal
|
|
|
|
|
|
2
|
Hydrocotyle ranunculoides
|
Floating Pennywort
|
|
|
|
|
|
1
|
Hydrocotyle umbellata
|
Water-pennywort
|
|
|
|
|
|
3
|
Hydrocotyle verticillata
|
Whorled-pennywort
|
|
|
|
|
|
1
|
Hydrophyllum appendiculatum
|
Appendaged Waterleaf
|
|
|
|
|
|
1
|
Hylotelephium telephioides
|
Live-forever
|
|
|
|
|
|
1
|
Hypericum adpressum
|
Creeping St. John's-wort
|
|
|
|
|
|
2
|
Hypericum ascyron
|
Great St. John's-wort
|
|
|
|
|
|
3
|
Hypericum densiflorum
|
Bushy St. John's-wort
|
|
|
|
|
|
1
|
Hypericum denticulatum
|
Coppery St. John's-wort
|
|
|
|
|
|
1
|
Hypericum hypericoides ssp. multicaule
|
St. Andrew's Cross
|
|
|
|
|
|
1
|
Hypericum prolificum
|
Shrubby St. John's-wort
|
|
|
|
|
|
2
|
Ilex glabra
|
Gallberry
|
|
|
|
|
|
4
|
Ilex laevigata
|
Smooth Winterberry
|
|
|
|
|
|
4
|
Ilex montana
|
Mountain Winterberry
|
|
|
|
|
|
4
|
Ilex opaca var. opaca
|
American Holly
|
|
|
|
|
|
4
|
Ilex verticillata
|
Black Alder
|
|
|
|
|
|
4
|
Ipomoea pandurata
|
Wild Potato-vine
|
|
|
|
|
|
1
|
Iris prismatica
|
Slender Blue Flag
|
|
|
|
|
|
2
|
Iris virginica var. shrevei
|
Southern Blue Flag
|
|
|
|
|
|
1
|
Isoetes lacustris
|
Large-spored Quillwort
|
|
|
|
|
|
3
|
Isoetes riparia
|
Riverbank Quillwort
|
|
|
|
|
|
1
|
Isotria medeoloides
|
Small Whorled Pogonia
|
|
Orchidaceae
|
|
|
|
1
|
Isotria verticillata
|
Large Whorled Pogonia
|
|
|
|
|
|
4
|
Jeffersonia diphylla
|
Twin-leaf
|
|
|
|
|
|
2
|
Juglans cinerea
|
Butternut
|
|
|
|
|
|
4
|
Juncus ambiguus
|
Doubtful Toad-rush
|
|
|
|
|
|
1
|
Juncus biflorus
|
Large Grass-leaved Rush
|
|
|
|
|
|
1
|
Juncus brachycarpus
|
Short-fruit Rush
|
|
|
|
|
|
1
|
Juncus debilis
|
Weak Rush
|
|
|
|
|
|
1
|
Juncus ensifolius
|
Ensiform Rush
|
|
|
|
|
|
1
|
Juncus scirpoides
|
Scirpus-like Rush
|
|
|
|
|
|
1
|
Juncus stygius ssp. americanus
|
Moor-rush
|
|
|
|
|
|
1
|
Juncus subcaudatus
|
Woods-rush
|
|
|
|
|
|
1
|
Juncus trifidus
|
Arctic Rush
|
|
|
|
|
|
2
|
Juniperus horizontalis
|
Creeping Juniper
|
|
|
|
|
|
1
|
Kalmia angustifolia
|
Sheep Laurel
|
|
|
|
|
|
4
|
Kalmia latifolia
|
Mountain Laurel
|
|
|
|
|
|
4
|
Kalmia polifolia
|
Bog Laurel
|
|
|
|
|
|
4
|
Kalmia procumbens
|
Alpine Azalea
|
|
|
|
|
|
1
|
Lachnanthes caroliana
|
Carolina Redroot
|
|
|
|
|
|
1
|
Lactuca floridana
|
False Lettuce
|
|
|
|
|
|
1
|
Lactuca hirsuta
|
Downy Lettuce
|
|
|
|
|
|
1
|
Lathyrus ochroleucus
|
Creamy Wild-pea
|
|
|
|
|
|
3
|
Lathyrus venosus
|
Rough Veiny Vetchling
|
|
|
|
|
|
1
|
Lechea pulchella var. moniliformis
|
Bead Pinweed
|
|
|
|
|
|
1
|
Lechea racemulosa
|
Illinois Pinweed
|
|
|
|
|
|
3
|
Lechea tenuifolia
|
Slender Pinweed
|
|
|
|
|
|
2
|
Lemna perpusilla
|
Minute Duckweed
|
|
|
|
|
|
1
|
Lemna valdiviana
|
Pale Duckweed
|
|
|
|
|
|
1
|
Leptochloa fusca ssp. fascicularis
|
Salt-meadow Grass
|
|
|
|
|
|
1
|
Lespedeza angustifolia
|
Narrow-leaved Bush-clover
|
|
|
|
|
|
2
|
Lespedeza frutescens
|
Violet Bush-clover
|
|
|
|
|
|
3
|
Lespedeza repens
|
Trailing Bush-clover
|
|
|
|
|
|
3
|
Lespedeza stuevei
|
Velvety Bush-clover
|
|
|
|
|
|
2
|
Liatris cylindracea
|
Slender Blazing-star
|
|
|
|
|
|
1
|
Liatris scariosa var. novae-angliae
|
Northern Blazing-star
|
|
|
|
|
|
2
|
Liatris scariosa var. nieuwlandii
|
Nieuwland's Blazing-star
|
|
|
|
|
|
1
|
Ligusticum scothicum ssp. scothicum
|
Scotch Lovage
|
|
|
|
|
|
1
|
Lilaeopsis chinensis
|
Eastern Grasswort
|
|
|
|
|
|
2
|
Lilium canadense ssp. canadense
|
Canada Lily
|
|
|
|
|
|
4
|
Lilium canadense ssp. editorium
|
Canada Lily
|
|
|
|
|
|
4
|
Lilium michiganense
|
Michigan Lily
|
|
|
|
|
|
1
|
Lilium philadelphicum
|
Woodlily
|
|
|
|
|
|
4
|
Lilium superbum
|
Turk's-cap Lily
|
|
|
|
|
|
4
|
Limonium carolinianum
|
Sea Lavender
|
|
|
|
|
|
4
|
Limosella australis
|
Mudwort
|
|
|
|
|
|
3
|
Linum intercursum
|
Sandplain Wild Flax
|
|
|
|
|
|
2
|
Linum medium var. texanum
|
Southern Yellow Flax
|
|
|
|
|
|
2
|
Linum striatum
|
Stiff Yellow Flax
|
|
|
|
|
|
3
|
Linum sulcatum
|
Yellow Wild Flax
|
|
|
|
|
|
2
|
Liparis liliifolia
|
Large Twayblade
|
|
|
|
|
|
1
|
Liparis loeselii
|
Bog Twayblade
|
|
|
|
|
|
4
|
Lipocarpha micrantha
|
Dwarf Bulrush
|
|
|
|
|
|
1
|
Listera auriculata
|
Auricled Twayblade
|
|
|
|
|
|
1
|
Listera australis
|
Southern Twayblade
|
|
|
|
|
|
1
|
Listera convallarioides
|
Broad-lipped Twayblade
|
|
|
|
|
|
1
|
Listera cordata var. cordata
|
Heartleaf Twayblade
|
|
|
|
|
|
4
|
Lithospermum caroliniense ssp. croceum
|
Golden Puccoon
|
|
|
|
|
|
1
|
Littorella uniflora
|
American Shore-grass
|
|
|
|
|
|
1
|
Lobelia cardinalis
|
Cardinal-flower
|
|
|
|
|
|
4
|
Lobelia dortmanna
|
Water Lobella
|
|
|
|
|
|
4
|
Lobelia nuttallii
|
Nuttall's Lobelia
|
|
|
|
|
|
3
|
Ludwigia sphaerocarpa
|
Globe-fruited Ludwigia
|
|
|
|
|
|
2
|
Lupinus perennis
|
Wild Lupine
|
|
|
|
|
|
3
|
Luzula bulbosa
|
Hairy Woodrush
|
|
|
|
|
|
3
|
Luzula echinata
|
Spiny Woodrush
|
|
|
|
|
|
3
|
Luzula spicata
|
Spiked Woodrush
|
|
|
|
|
|
1
|
Lycopodiella alopecuroides
|
Foxtail Clubmoss
|
|
|
|
|
|
4
|
Lycopodiella appressa
|
Swamp Clubmoss
|
|
|
|
|
|
4
|
Lycopodiella inundata
|
Northern Bog Clubmoss
|
|
|
|
|
|
4
|
Lycopodium clavatum
|
Running Cedar
|
|
|
|
|
|
4
|
Lycopus amplectens
|
Water-horehound
|
|
|
|
|
|
2
|
Lycopus rubellus
|
Gypsy-wort
|
|
|
|
|
|
1
|
Lygodium palmatum
|
Climbing Fern
|
|
Lygodiaceae
|
|
|
|
1
|
Lysimachia hybrida
|
Lance-leaved Loosestrife
|
|
|
|
|
|
1
|
Lysimachia quadriflora
|
Four-flowered Loosestrife
|
|
|
|
|
|
1
|
Lythrum lineare
|
Saltmarsh Loosestrife
|
|
|
|
|
|
1
|
Magnolia virginiana
|
Sweetbay Magnolia
|
|
|
|
|
|
1
|
Malaxis bayardii
|
Bayard's Adder's-mouth Orchid
|
|
|
|
|
|
1
|
Malaxis monophyllos var. brachypoda
|
White Adder's-mouth
|
|
|
|
|
|
4
|
Malaxis unifolia
|
Green Adder's-mouth
|
|
|
|
|
|
4
|
Matteuccia struthiopteris
|
Ostrich Fern
|
|
|
|
|
|
4
|
Melanthium virginicum
|
Virginia Bunchflower
|
|
|
|
|
|
1
|
Mertensia virginica
|
Virginia Bluebells
|
|
|
|
|
|
4
|
Mimulus alatus
|
Winged Monkeyflower
|
|
|
|
|
|
3
|
Minuartia caroliniana
|
Pine-barren Sandwort
|
|
|
|
|
|
3
|
Minuartia glabra
|
Appalachian Sandwort
|
|
|
|
|
|
3
|
Minuartia groenlandica
|
Mountain Sandwort
|
|
|
|
|
|
3
|
Monarda clinopodia
|
Basil-balm
|
|
|
|
|
|
1
|
Monarda didyma
|
Bee-balm
|
|
|
|
|
|
4
|
Myrica caroliniensis
|
Bayberry
|
|
|
|
|
|
4
|
Myriophyllum alterniflorum
|
Water Milfoil
|
|
|
|
|
|
2
|
Myriophyllum farwellii
|
Farwell's Water-milfoil
|
|
|
|
|
|
2
|
Myriophyllum pinnatum
|
Green Parrot's-feather
|
|
|
|
|
|
1
|
Najas guadalupensis ssp. muenscheri
|
Hudson River Water-nymph
|
|
|
|
|
|
1
|
Najas guadalupensis ssp. olivacea
|
Southern Naiad
|
|
|
|
|
|
1
|
Najas marina
|
Holly-leaved Naiad
|
|
|
|
|
|
1
|
Oclemena nemoralis
|
Bog Aster
|
|
|
|
|
|
3
|
Oenothera laciniata
|
Cut-leaved Evening-primrose
|
|
|
|
|
|
1
|
Oenothera oakesiana
|
Oakes' Evening Primrose
|
|
|
|
|
|
2
|
Oldenlandia uniflora
|
Clustered Bluets
|
|
|
|
|
|
1
|
Oligoneuron album
|
Upland Goldenrod
|
|
|
|
|
|
3
|
Oligoneuron houghtonii
|
Houghton's Goldenrod
|
|
|
|
|
|
1
|
Oligoneuron ohioense
|
Ohio Goldenrod
|
|
|
|
|
|
2
|
Oligoneuron rigidum var. rigidum
|
Stiff-leaf Goldenrod
|
|
|
|
|
|
2
|
Omalotheca sylvatica
|
Woodland Cudweed
|
|
|
|
|
|
1
|
Onosmodium virginianum
|
Virginia False Gromwell
|
|
|
|
|
|
1
|
Ophioglossum pusillum
|
Adder's-tongue
|
|
|
|
|
|
4
|
Opuntia humifusa var. humifusa
|
Eastern Prickly Pear
|
|
|
|
|
|
4
|
Orontium aquaticum
|
Golden Club
|
|
|
|
|
|
2
|
Osmunda cinnamomea
|
Cinnamon Fern
|
|
|
|
|
|
4
|
Osmunda claytoniana
|
Interrupted Fern
|
|
|
|
|
|
4
|
Osmunda regalis ssp. spectabilis
|
Royal Fern
|
|
|
|
|
|
4
|
Oxalis violacea
|
Violet Wood-sorrel
|
|
|
|
|
|
2
|
Oxypolis rigidior
|
Stiff Cowbane
|
|
|
|
|
|
1
|
Panax quinquefolius
|
Ginseng
|
|
|
|
|
|
4
|
Panicum amarum
|
Bitter Panic Grass
|
|
|
|
|
|
3
|
Panicum flexile
|
Wiry Panic Grass
|
|
|
|
|
|
3
|
Panicum rigidulum var. elongatum
|
Tall Flat Panic Grass
|
|
|
|
|
|
1
|
Parnassia glauca
|
Grass-of-parnassus
|
|
|
|
|
|
4
|
Paspalum laeve
|
Field Beadgrass
|
|
|
|
|
|
1
|
Pedicularis lanceolata
|
Swamp Lousewort
|
|
|
|
|
|
2
|
Pellaea atropurpurea
|
Purple Cliff Brake
|
|
|
|
|
|
4
|
Pellaea glabella ssp. glabella
|
Smooth Cliff Brake
|
|
|
|
|
|
2
|
Persicaria careyi
|
Carey's Smartweed
|
|
|
|
|
|
1
|
Persicaria setacea
|
Swamp Smartweed
|
|
|
|
|
|
1
|
Petasites frigidus var. palmatus
|
Sweet Coltsfoot
|
|
|
|
|
|
1
|
Phegopteris connectilis
|
Northern Beech Fern
|
|
|
|
|
|
4
|
Phegopteris hexagonoptera
|
Broad Beech Fern
|
|
|
|
|
|
4
|
Phlox maculata ssp. maculata
|
Wild Sweet-william
|
|
|
|
|
|
1
|
Phlox pilosa
|
Downy Phlox
|
|
|
|
|
|
1
|
Phragmites australis ssp. americanus
|
American Phragmites
|
|
|
|
|
|
3
|
Physalis virginiana
|
Virginia Ground-cherry
|
|
|
|
|
|
1
|
Pinguicula vulgaris
|
Butterwort
|
|
|
|
|
|
2
|
Pinus banksiana
|
Jack Pine
|
|
|
|
|
|
3
|
Pinus echinata
|
Shortleaf Pine
|
|
|
|
|
|
1
|
Pinus virginiana
|
Virginia Pine
|
|
|
|
|
|
1
|
Piptatherum canadense
|
Canada Ricegrass
|
|
|
|
|
|
2
|
Plantago cordata
|
Heartleaf Plantain
|
|
|
|
|
|
3
|
Plantago maritima var. juncoides
|
Seaside Plantain
|
|
|
|
|
|
2
|
Platanthera aquilonis
|
Northern Green Orchid
|
|
|
|
|
|
4
|
Platanthera blephariglottis var. blephariglottis
|
White Fringed Orchid
|
|
|
|
|
|
4
|
Platanthera ciliaris
|
Orange Fringed Orchis
|
|
|
|
|
|
1
|
Platanthera clavellata
|
Green Wooldland Orchid
|
|
|
|
|
|
4
|
Platanthera cristata
|
Crested Fringed Orchis
|
|
|
|
|
|
1
|
Platanthera dilatata var. dilatata
|
Bog-candle
|
|
|
|
|
|
4
|
Platanthera flava var. herbiola
|
Tubercled Orchid
|
|
|
|
|
|
4
|
Platanthera grandiflora
|
Large Purple Fringed Orchid
|
|
|
|
|
|
4
|
Platanthera hookeri
|
Hooker's Orchid
|
|
|
|
|
|
1
|
Platanthera lacera
|
Ragged Fringed Orchid
|
|
|
|
|
|
4
|
Platanthera leucophaea
|
Eastern Prairie Fringed Orchid
|
|
|
|
|
|
1
|
Platanthera obtusata
|
Blunt-leaved Orchid
|
|
|
|
|
|
4
|
Platanthera orbiculata
|
Large Round-leaved Orchid
|
|
|
|
|
|
4
|
Platanthera psycodes
|
Small Purple Fringed Orchid
|
|
|
|
|
|
4
|
Poa cuspidata
|
Bluegrass
|
|
|
|
|
|
1
|
Poa glauca ssp. glauca
|
White Bluegrass
|
|
|
|
|
|
1
|
Poa interior
|
Inland Bluegrass
|
|
|
|
|
|
1
|
Poa laxa ssp. fernaldiana
|
Fernald's Bluegrass
|
|
|
|
|
|
1
|
Poa paludigena
|
Slender Marsh Bluegrass
|
|
|
|
|
|
1
|
Poa sylvestris
|
Woodland Bluegrass
|
|
|
|
|
|
1
|
Podostemum ceratophyllum
|
Riverweed
|
|
|
|
|
|
2
|
Pogonia ophioglossoides
|
Rose Pogonia
|
|
|
|
|
|
4
|
Polemonium vanbruntiae
|
Jacob's-ladder
|
|
|
|
|
|
3
|
Polygala cruciata var. aquilonia
|
Cross-leaf Milkwort
|
|
|
|
|
|
3
|
Polygala lutea
|
Orange Milkwort
|
|
|
|
|
|
1
|
Polygala nuttallii
|
Nuttall's Milkwort
|
|
|
|
|
|
2
|
Polygonum aviculare ssp. buxiforme
|
Small's Knotweed
|
|
|
|
|
|
1
|
Polygonum douglasii
|
Douglas' Knotweed
|
|
|
|
|
|
2
|
Polygonum glaucum
|
Seabeach Knotweed
|
|
|
|
|
|
3
|
Polygonum tenue
|
Slender Knotweed
|
|
|
|
|
|
3
|
Polypodium virginianum
|
Rock Polypody
|
|
|
|
|
|
4
|
Polystichum acrostichoides
|
Christmas Fern
|
|
|
|
|
|
4
|
Polystichum braunii
|
Braun's Holly Fern
|
|
|
|
|
|
4
|
Polystichum lonchitis
|
Northern Holly-fern
|
|
|
|
|
|
1
|
Populus heterophylla
|
Swamp Cottonwood
|
|
|
|
|
|
2
|
Potamogeton alpinus
|
Northern Pondweed
|
|
|
|
|
|
2
|
Potamogeton confervoides
|
Algae-like Pondweed
|
|
|
|
|
|
3
|
Potamogeton diversifolius
|
Water-thread Pondweed
|
|
|
|
|
|
1
|
Potamogeton hillii
|
Hill's Pondweed
|
|
|
|
|
|
2
|
Potamogeton ogdenii
|
Ogden's Pondweed
|
|
|
|
|
|
1
|
Potamogeton pulcher
|
Spotted Pondweed
|
|
|
|
|
|
2
|
Potamogeton strictifolius
|
Straight-leaf Pondweed
|
|
|
|
|
|
1
|
Potentilla paradoxa
|
Bushy Cinquefoil
|
|
|
|
|
|
1
|
Prenanthes boottii
|
Boott's Rattlesnake-root
|
|
|
|
|
|
1
|
Prenanthes crepidinea
|
Nodding Rattlesnake-root
|
|
|
|
|
|
1
|
Primula mistassinica
|
Bird's-eye Primrose
|
|
|
|
|
|
2
|
Proserpinaca pectinata
|
Comb-leaved Mermaid-weed
|
|
|
|
|
|
2
|
Prunus pumila var. depressa
|
Dwarf Sand-cherry
|
|
|
|
|
|
2
|
Prunus pumila var. pumila
|
Low Sand-cherry
|
|
|
|
|
|
1
|
Pseudognaphalium micradenium
|
Catfoot
|
|
|
|
|
|
1
|
Pseudolycopodiella caroliniana
|
Carolina Clubmoss
|
|
|
|
|
|
1
|
Ptelea trifoliata ssp. trifoliata
|
Wafer-ash
|
|
|
|
|
|
1
|
Pteridium aquilinum var. pseudocaudatum
|
Southeastern Bracken
|
|
Dennstaedtiaceae
|
|
|
|
1
|
Pterospora andromedea
|
Giant Pine-drops
|
|
|
|
|
|
1
|
Ptilimnium capillaceum
|
Mock Bishop's-weed
|
|
|
|
|
|
3
|
Pycnanthemum clinopodioides
|
Basil Mountain-mint
|
|
|
|
|
|
1
|
Pycnanthemum muticum
|
Blunt Mountain-mint
|
|
|
|
|
|
2
|
Pycnanthemum torrei
|
Torrey's Mountain-mint
|
|
|
|
|
|
1
|
Pycnanthemum verticillatum var. verticillatum
|
Whorled Mountain-mint
|
|
|
|
|
|
1
|
Pyrola asarifolia ssp. asarifolia
|
Pink Wintergreen
|
|
|
|
|
|
2
|
Pyrola minor
|
Snowline Wintergreen
|
|
|
|
|
|
1
|
Pyxidanthera barbulata
|
Flowering Pixiemoss
|
|
|
|
|
|
1
|
Quercus marilandica var. marilandica
|
Blackjack Oak
|
|
|
|
|
|
3
|
Quercus phellos
|
Willow Oak
|
|
|
|
|
|
1
|
Quercus shumardii var. shumardii
|
Shumard Oak
|
|
|
|
|
|
1
|
Ranunculus cymbalaria
|
Seaside Crowfoot
|
|
|
|
|
|
1
|
Ranunculus hispidus var. nitidus
|
Swamp Buttercup
|
|
|
|
|
|
1
|
Ranunculus micranthus
|
Small-flowered Crowfoot
|
|
|
|
|
|
3
|
Rhodiola integrifolia ssp. leedyi
|
Leedy's Roseroot
|
|
|
|
|
|
1
|
Rhodiola rosea
|
Roseroot
|
|
|
|
|
|
1
|
Rhododendron canadense
|
Rhodora
|
|
|
|
|
|
2
|
Rhododendron lapponicum var. lapponicum
|
Lapland Rosebay
|
|
|
|
|
|
1
|
Rhododendron maximum
|
Great Laurel
|
|
|
|
|
|
4
|
Rhododendron periclymenoides
|
Pinkster
|
|
|
|
|
|
4
|
Rhododendron prinophyllum
|
Early Azalea
|
|
|
|
|
|
4
|
Rhododendron viscosum
|
Swamp Azalea
|
|
|
|
|
|
4
|
Rhynchospora fusca
|
Sooty Beakrush
|
|
|
|
|
|
3
|
Rhynchospora inundata
|
Drowned Beakrush
|
|
|
|
|
|
2
|
Rhynchospora macrostachya
|
Tall Beakrush
|
|
|
|
|
|
3
|
Rhynchospora nitens
|
Short-beaked Beakrush
|
|
|
|
|
|
2
|
Rhynchospora pallida
|
Pale Beakrush
|
|
|
|
|
|
1
|
Rhynchospora scirpoides
|
Long-beaked Beakrush
|
|
|
|
|
|
3
|
Rorippa aquatica
|
Lake-cress
|
|
|
|
|
|
2
|
Rosa acicularis ssp. sayi
|
Prickly Rose
|
|
|
|
|
|
1
|
Rotala ramosior
|
Tooth-cup
|
|
|
|
|
|
2
|
Rubus cuneifolius
|
Sand Blackberry
|
|
|
|
|
|
1
|
Rumex fueginus
|
Golden Dock
|
|
|
|
|
|
1
|
Rumex hastatulus
|
Heart Sorrel
|
|
|
|
|
|
1
|
Rumex persicarioides
|
Seaside Dock
|
|
|
|
|
|
1
|
Sabatia angularis
|
Rose-pink
|
|
|
|
|
|
1
|
Sabatia campanulata
|
Slender Marsh-pink
|
|
|
|
|
|
1
|
Sabatia stellaris
|
Sea-pink
|
|
|
|
|
|
2
|
Sagina decumbens ssp. decumbens
|
Small-flowered Pearlwort
|
|
|
|
|
|
1
|
Sagittaria montevidensis var. spongiosa
|
Spongy Arrowhead
|
|
|
|
|
|
2
|
Sagittaria subulata
|
Strap-leaf Arrowhead
|
|
|
|
|
|
3
|
Sagittaria teres
|
Quill-leaf Arrowhead
|
|
|
|
|
|
1
|
Salicornia bigelovii
|
Dwarf Glasswort
|
|
|
|
|
|
2
|
Salix cordata
|
Sand Dune Willow
|
|
|
|
|
|
2
|
Salix herbacea
|
Dwarf Willow
|
|
|
|
|
|
1
|
Salix pyrifolia
|
Balsam Willow
|
|
|
|
|
|
3
|
Salix uva-ursi
|
Bearberry Willow
|
|
|
|
|
|
2
|
Salvia lyrata
|
Lyre-leaf Sage
|
|
|
|
|
|
1
|
Salvinia minima
|
Water-fern
|
|
|
|
|
|
4
|
Sanguinaria canadensis
|
Bloodroot
|
|
|
|
|
|
4
|
Sarracenia purpurea
|
Pitcher-plant
|
|
|
|
|
|
4
|
Saxifraga aizoides
|
Yellow Mountain-saxifrage
|
|
|
|
|
|
2
|
Saxifraga oppositifolia ssp. oppositifolia
|
Purple Mountain-saxifrage
|
|
|
|
|
|
1
|
Saxifraga paniculata ssp. neogaea
|
White Mountain-saxifrage
|
|
|
|
|
|
1
|
Scheuchzeria palustris
|
Pod Grass
|
|
|
|
|
|
3
|
Schizaea pusilla
|
Curlygrass Fern
|
|
Schizaeaceae
|
|
|
|
1
|
Schoenoplectus heterochaetus
|
Slender Bulrush
|
|
|
|
|
|
1
|
Scirpus ancistrochaetus
|
Northeastern Bulrush
|
|
|
|
|
|
1
|
Scirpus georgianus
|
Georgia Bulrush
|
|
|
|
|
|
1
|
Scleria minor
|
Slender Nutrush
|
|
|
|
|
|
1
|
Scleria muehlenbergii
|
Reticulate Nutrush
|
|
|
|
|
|
1
|
Scleria pauciflora var. caroliniana
|
Few-flowered Nutrush
|
|
|
|
|
|
1
|
Scleria reticularis
|
Reticulated Nutrush
|
|
|
|
|
|
3
|
Scleria triglomerata
|
Whip Nutrush
|
|
|
|
|
|
1
|
Scleria verticillata
|
Low Nutrush
|
|
|
|
|
|
1
|
Scutellaria incana var. incana
|
Hoary Skullcap
|
|
|
|
|
|
1
|
Scutellaria integrifolia
|
Hyssop-skullcap
|
|
|
|
|
|
1
|
Scutellaria parvula var. parvula
|
Small Skullcap
|
|
|
|
|
|
3
|
Selaginella eclipes
|
Hidden Spike-moss
|
|
|
|
|
|
1
|
Sericocarpus linifolius
|
Flax-leaf Whitetop
|
|
|
|
|
|
2
|
Sesuvium maritimum
|
Sea Purslane
|
|
|
|
|
|
1
|
Silene caroliniana ssp. pensylvanica
|
Wild Pink
|
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2
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Silene caroliniana ssp. pensylvanica
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Wild Pink
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4
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Sisyrinchium mucronatum
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Michaux's Blue-eyed-grass
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1
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Smallanthus uvedalius
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Bear's-foot
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1
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Smilax pseudochina
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False China-root
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1
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Smilax pulverulenta
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Jacob's-ladder
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1
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Solidago latissimifolia
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Coastal Goldenrod
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1
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Solidago leiocarpa
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Alpine Goldenrod
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2
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Solidago sempervirens var. mexicana
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Seaside Goldenrod
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1
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Solidago simplex var. monticola
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Rand's Mountain Goldenrod
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2
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Solidago simplex var. racemosa
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Mountain Goldenrod
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1
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Sparganium natans
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Small Bur-reed
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2
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Sphenopholis obtusata
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Prairie Wedgegrass
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1
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Sphenopholis pensylvanica
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Swamp Oats
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1
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Spinulum annotinum
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Bristly Clubmoss
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4
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Spinulum canadense
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Northern Bristly Club-moss
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1
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Spiraea septentrionalis
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Mountain Meadow-sweet
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1
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Spiranthes casei var. casei
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Lady's-tresses
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4
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Spiranthes cernua
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Nodding Lady's-tresses
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4
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Spiranthes lacera var. lacera
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Slender Lady's-tresses
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4
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Spiranthes lucida
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Wide-leaved Lady's-tresses
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4
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Spiranthes ochroleuca
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Creamy Lady's-tresses
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4
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Spiranthes romanzoffiana
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Hooded Lady's-tresses
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4
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Spiranthes tuberosa
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Little Lady's-tresses
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4
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Spiranthes vernalis
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Spring Ladies'-tresses
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1
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Sporobolus clandestinus
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Rough Rush-grass
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1
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Sporobolus heterolepis
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Northern Dropseed
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2
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Stachys hyssopifolia
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Rough Hedge-nettle
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2
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Stellaria longipes
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Longstalk Starwort
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2
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Strophostyles umbellata
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Pink Wild Bean
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1
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Stuckenia filiformis ssp. alpina
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Slender Pondweed
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1
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Stuckenia filiformis ssp. occidentalis
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Sheathed Pondweed
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1
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Suaeda linearis
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Narrow-leaf Sea-blite
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1
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Suaeda rolandii
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Roland's Sea-blite
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1
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Subularia aquatica var. americana
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Water Awlwort
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1
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Symphyotrichum boreale
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Northern Bog Aster
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2
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Symphyotrichum ciliolatum
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Lindley's Aster
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1
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Symphyotrichum concolor var. concolor
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Silvery Aster
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1
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Symphyotrichum laeve var. concinnum
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Smooth Blue Aster
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1
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Symphyotrichum lanceolatum var. interior
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Tall White Aster
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1
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Symphyotrichum ontarionis
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Ontario Aster
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3
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Symphyotrichum oolentangiense var. oolentangiense
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Sky-blue Aster
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1
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Symphyotrichum subulatum var. subulatum
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Saltmarsh Aster
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2
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Symphyotrichum tenuifolium var. tenuifolium
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Slender Saltmarsh Aster
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3
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Thalictrum venulosum var. confine
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Veiny Meadow-rue
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1
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Thaspium barbinode
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Meadow-parsnip
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1
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Thelypteris noveboracensis
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New York Fern
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4
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Thelypteris palustris var. pubescens
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Marsh Fern
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4
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Thelypteris simulata
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Massachusetts Fern
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4
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Tilia american var. heterophylla
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White Basswood
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1
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Tipularia discolor
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Cranefly Orchid
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1
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Triantha glutinosa
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Sticky False Asphodel
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1
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Trichomanes intricatum
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Appalachian Trichomanes
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Hymenophyllaceae
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1
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Trichophorum cespitosum ssp. cespitosum
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Deer's Hair Sedge
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2
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Trichophorum clintonii
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Clinton's Clubrush
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1
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Trichostema brachiatum
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False-pennyroyal
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3
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Trichostema setaceum
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Tiny Blue-Curls
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1
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Triglochin palustre
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Marsh Arrow-grass
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2
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Trillium cernuum
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Nodding Trillium
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4
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Trillium erectum
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Purple Trillium
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4
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Trillium flexipes
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Nodding Trillium
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1
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Trillium grandiflorum
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White Trillium
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4
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Trillium sessile
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Toad-shade
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1
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Trillium undulatum
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Painted Trillium
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4
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Triphora trianthophora
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Nodding Pogonia
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2
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Tripsacum dactyloides
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Northern Gamma Grass
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2
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Trisetum melicoides
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Melic-oats
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1
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Trollius laxus
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Spreading Globeflower
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3
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Ulmus thomasii
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Cork Elm
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2
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Utricularia geminiscapa
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Hiddenfruit Bladderwort
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3
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Utricularia juncea
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Rush Bladderwort
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1
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Utricularia minor
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Lesser Bladderwort
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3
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Utricularia radiata
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Small Floating Bladderwort
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2
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Utricularia striata
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Fibrous Bladderwort
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2
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Utricularia subulata
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Zigzag Bladderwort
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3
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Uvularia puberula
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Mountain Bellwort
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1
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Vaccinium boreale
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High-mountain Blueberry
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2
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Vaccinium cespitosum
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Dwarf Blueberry
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1
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Vaccinium uliginosum
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Bog Bilberry
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3
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Valeriana uliginosa
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Marsh Valerian
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1
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Valerianella chenopodiifolia
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Goosefoot Corn-salad
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1
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Valerianella umbilicata
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Navel-fruited Corn-salad
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1
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Vernonia gigantea ssp. gigantea
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Tall Ironweed
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1
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Veronica peregrina ssp. xalapensis
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Neckweed
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3
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Veronicastrum virginicum
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Culver's-root
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2
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Viburnum dentatum var. venosum
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Southern Arrowwood
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2
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Viburnum edule
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Squashberry
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2
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Viburnum nudum var. nudum
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Possum-haw
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1
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Viola bicolor
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Field Pansy
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1
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Viola brittoniana
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Coast Violet
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1
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Viola hirsutula
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Southern Wood Violet
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1
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Viola nephrophylla
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Northern Bog Violet
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1
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Viola novae-angliae
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New England Violet
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1
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Viola pedata
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Bird's-foot Violet
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3
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Viola pedata
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Bird's-foot Violet
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4
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Viola primulifolia
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Primrose-leaf Violet
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2
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Vitis vulpina
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Winter Grape
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1
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Vittaria appalachiana
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Appalachian Shoestring Fern
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Pteridaceae
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1
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Vittaria appalachiana
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Grass Fern (also in Engangered list)
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4
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Woodsia alpina
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Alpine Cliff Fern
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Woodsiaceae
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1
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Woodsia glabella
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Smooth Cliff Fern
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Woodsiaceae
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1
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Woodsia ilvensis
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Rusty Woodsia
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4
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Woodsia obtusa ssp. obtusa
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Blunt-lobed Woodsia
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4
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Woodwardia areolata
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Netted Chain Fern
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4
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Woodwardia virginica
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Virginia Chain Fern
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4
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Xyris smalliana
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Large Yellow-eyed-grass
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2
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