Threatened Search Results

ACUN

Aconitum uncinatum L.

blue monkshood

E

ADFU

Adlumia fungosa (Aiton) Greene ex Britton, Sterns & Poggenb.

climbing fumitory

T

AEVI3

Aeschynomene virginica (L.) Britton, Sterns & Poggenb.

sensitive joint-vetch

E

AGAC

Agalinis acuta Pennell

sandplain gerardia

E

AGAU3

Agalinis auriculata (Michx.) S.F. Blake

auricled gerardia

E

AGFA2

Agalinis fasciculata (Elliot) Raf.

fascicled gerardia

E

AGOB

Agalinis obtusifolia Raf.

blunt-leaved gerardia

E

AGSE3

Agalinis setacea (J.F. Gmel.) Raf.

thread-leaved gerardia

E

AGSK

Agalinis skinneriana (Alph. Wood) Britton

midwestern gerardia

E

AGSC

Agastache scrophulariifolia (Willd.) Kuntze

purple giant hyssop

T

AGST

Agrimonia striata Michx.

woodland agrimony

E

ALAU

Aletris aurea Walter

golden colicroot

E, X

AMPU2

Amaranthus pumilus Raf.

seabeach amaranth

E

AMOB2

Amelanchier obovalis (Michx.) Ashe

coastal juneberry

E

AMST80

Amelanchier stolonifera Wiegand

running juneberry

T

ANMI4

Anagallis minima (L.) Krause

chaffweed

E, X

ANCA8

Anemone canadensis L.

Canada anemone

E, X

ANAT

Angelica atropurpurea L.

great angelica

E, X

ANTR2

Angelica triquinata Michx.

filmy angelica

E

ANSO

Antennaria solitaria Rydb.

single-headed pussytoes

T

APCA

Apocynum cannabinum L.

APSI

Apocynum sibiricum Jacq.

clasping-leaved dogbane

E, X

ARMI5

Arabis missouriensis Greene

Missouri rockcress

E

ARSH2

Arabis shortii (Fernald) Gleason

Short's rockcress

T

ARHI2

Aralia hispida Vent.

bristly sarsaparilla

E

ARBU

Arethusa bulbosa L.

arethusa

E, X

ARLA6

Aristida lanosa Muhl. ex Elliot

woolly three-awn

E

ARPUV

Aristida purpurascens Poir. var. virgata (Trin.) Allred

ARVI5

Aristida virgata Trin.

wire grass

E

ARMA7

Aristolochia macrophylla Lam.

pipevine

T

ARAC3

Arnica acaulis (Walter) Britton, Sterns & Poggenb.

leopard's-bane

E

ARRE6

Arnoglossum reniforme (Hook.) H. Rob.

CAMU23

Cacalia muehlenbergii (Sch. Bip.) Fernald

great Indian-plantain

E, X

ASRU

Asclepias rubra L.

red milkweed

E

ASBR2

Asplenium bradleyi D.C. Eaton

Bradley's spleenwort

E, X

ASPI

Asplenium pinnatifidum Nutt.

lobed spleenwort

E

ASRE

Asplenium resiliens Kunze

black-stem spleenwort

E

ASCA11

Astragalus canadensis L.

Canada milkvetch

E

ASDI4

Astragalus distortus Torr. & A. Gray

bent milkvetch

T

AXFU

Axonopus furcatus (Flueggé) Hitchc.

big carpet grass

E, X

BAIN2

Bacopa innominata (G. Maza) Alain

mat-forming water-hyssop

E, X

BAAU

Baptisia australis (L.) R. Br.

wild false indigo

T

BECA2

Berberis canadensis Mill.

American barberry

E, X

BIMI

Bidens mitis (Michx.) Sherff

small-fruited beggar-ticks

E

BOAS

Boltonia asteroides (L.) L'Hér.

aster-like boltonia

E

BOFR

Borrichia frutescens (L.) DC.

sea ox-eye

E, X

BOLA

Botrychium lanceolatum (S.G. Gmel.) Angstr.

triangle grape-fern

E, X

BOMU

Botrychium multifidum (S.G. Gmel.) Trevis.

leathery grape-fern

E, X

BOON

Botrychium oneidense (Gilbert) House

blunt-lobe grape-fern

E

BOSI

Botrychium simplex E. Hitchc.

small grape-fern

E, X

BRCI2

Bromus ciliatus L.

fringed brome

E, X

BRKA2

Bromus kalmii A. Gray

wild chess

E

BRLA4

Bromus latiglumis (Shear) Hitchc.

broad-glumed brome

E

BRNO

Bromus nottowayanus Fernald

Nottoway's brome

E, X

BUAM

Buchnera americana L.

blue-hearts

E, X

CAPO3

Calamagrostis porteri A. Gray

Porter's reedgrass

E

CAPA

Calla palustris L.

wild calla

E

CAAM2

Callicarpa americana L.

French mulberry

E, X

CATU5

Calopogon tuberosus (L.) Britton, Sterns & Poggenb.

grass-pink

E

CADI3

Campanula divaricata Michx.

southern harebell

E, X

CALO11

Cardamine longii Fernald

Long's bittercress

E

CAAE2

Carex aestivalis M.A. Curtis ex A. Gray

summer sedge

E

CABU6

Carex buxbaumii Wahlenb.

Buxbaum's sedge

T

CACA14

Carex careyana Torr. ex Dewey

Carey's sedge

E

CACO13

Carex conjuncta Boott

soft fox sedge

E

CACO14

Carex conoidea Schkuhr ex Willd.

field sedge

E

CADA

Carex davisii Schwein. & Torr.

Davis' sedge

E, X

CADE6

Carex decomposita Muhl.

cypress-knee sedge

E, X

CADI4

Carex diandra Schrank

lesser panicled sedge

E

CAEB2

Carex eburnea Boott

ebony sedge

E

CAEX7

Carex exilis Dewey

coast sedge

E

CAGL5

Carex glaucescens Elliot

a sedge

E

CAHI8

Carex hitchcockiana Dewey

Hitchcock's sedge

E

CAHY4

Carex hystericina Muhl. ex Willd.

porcupine sedge

E

CALA16

Carex lacustris Willd.

lake-bank sedge

T

CALE11

Carex leptonervia (Fernald) Fernald

finely-nerved sedge

E

CAPE4

Carex pedunculata Muhl. ex Willd.

long-stalked sedge

E

CAPO4

Carex polymorpha Muhl.

variable sedge

E, X

CASH2

Carex shortiana Dewey

Short's sedge

E

CASI6

Carex silicea Olney

sea-beach sedge

E

CATE3

Carex tenera Dewey

slender sedge

E, X

CATE6

Carex tetanica Schkuhr

rigid sedge

E, X

CATU2

Carex tuckermanii Dewey

Tuckerman sedge

E

CAVE7

Carex venusta Dewey

dark green sedge

T

CAVE6

Carex vesicaria L.

inflated sedge

T

CAVE9

Carex vestita Willd.

velvety sedge

E

CALA21

Carya laciniosa (Michx. f.) G. Don

big shellbark hickory

E

CACO17

Castilleja coccinea (L.) Spreng.

Indian paintbrush

E

CEER2

Centella erecta (L. f.) Fernald

coinleaf

E

CEEC2

Ceratophyllum echinatum A. Gray

prickly hornwort

E

CHFAM2

Chamaecrista fasciculata (Michx.) Greene var. macrosperma (Fernald) C.F. Reed

marsh wild senna

E

CHCA2

Chamaedaphne calyculata (L.) Moench

leatherleaf

T

CHOB3

Chelone obliqua L.

red turtlehead

T

CHSI2

Chenopodium simplex (Torr.) Raf.

CHGI2

Chenopodium gigantospermum Aellen

maple-leaved goosefoot

E

CHST2

Chenopodium standleyanum Aellen

Standley's goosefoot

E

CIBU

Cicuta bulbifera L.

bulb-bearing water hemlock

E

CILA2

Cinna latifolia (Trevis. ex Goepp.) Griseb.

slender wood reedgrass

T

CLDI

Cleistes divaricata (L.) Ames

spreading pogonia

E

CLOC2

Clematis occidentalis (Hornem.) DC.

purple clematis

E

CLOC

Clematis ochroleuca Aiton

curly-heads

E, X

CLBO3

Clintonia borealis (Aiton) Raf.

yellow clintonia

T

CORU3

Coelorachis rugosa (Nutt.) Nash

wrinkled jointgrass

E

COTR2

Coptis trifolia (L.) Salisb.

goldthread

E

COTR18

Corallorhiza trifida Chatelain

COTR3

Corallorrhiza trifida Chatelain, orth. var.

early coralroot

E

COWI5

Corallorhiza wisteriana Conrad

COWI2

Corallorrhiza wisteriana Conrad, orth. var.

Wister's coralroot

E

CORO

Coreopsis rosea Nutt.

rose coreopsis

E

COTR4

Coreopsis tripteris L.

tall tickseed

E

COCA13

Cornus canadensis L.

bunchberry

E

CORU

Cornus rugosa Lam.

round-leaved dogwood

E

CRAQ

Crassula aquatica (L.) Schoenl.

pygmyweed

E, X

CRRO5

Crotalaria rotundifolia Walter ex J.F. Gmel.

rabbit-bells

E

CUCO3

Cuscuta coryli Engelm.

hazel dodder

E, X

CUPO

Cuscuta polygonorum Engelm.

smartweed dodder

E

CURO

Cuscuta rostrata Shuttlw. ex Engelm. & A. Gray

beaked dodder

E

CYFR4

Cymophyllus fraserianus (Ker Gawl.) Kartesz & Gandhi

Fraser's sedge

E

CYDE2

Cyperus dentatus Torr.

toothed sedge

E, X

CYPL3

Cyperus plukenetii Fernald

Plukenet's cyperus

E, X

CYCA5

Cypripedium candidum Muhl. ex Willd.

small white lady's slipper

E

CYRE6

Cypripedium reginae Walter

showy lady's slipper

E, X

DAVI6

Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase

COVI6

Coeloglossum viride (L.) Hartm.

long-bracted orchis

E

DEEX

Delphinium exaltatum Aiton

tall larkspur

E

DECE

Deschampsia cespitosa (L.) P. Beauv.

tufted hairgrass

E

DEHU3

Desmodium humifusum (Muhl. ex Bigelow) Beck

trailing tick-trefoil

E, X

DELI2

Desmodium lineatum DC.

linear-leaved tick-trefoil

E

DEOB5

Desmodium obtusum (Muhl. ex Willd.) DC.

DERI3

Desmodium rigidum (Elliot) DC.

rigid tick-trefoil

E

DEOC2

Desmodium ochroleucum M.A. Curtis ex Canby

cream-flowered tick-trefoil

E

DEPA7

Desmodium pauciflorum (Nutt.) DC.

few-flowered tick-trefoil

E

DESE

Desmodium sessilifolium (Torr.) Torr. & A. Gray

sessile-leaved tick-trefoil

E, X

DEST2

Desmodium strictum (Pursh) DC.

stiff tick-trefoil

E

DIAM

Diarrhena americana P. Beauv.

twin oats

E

DIEX

Dicentra eximia (Ker Gawl.) Torr.

wild bleeding-heart

T

DIBO

Dichanthelium boreale (Nash) Freckmann

PABO8

Panicum boreale Nash

northern panicgrass

E, X

DISC2

Dichanthelium scabriusculum (Elliot) Gould & C.A. Clark

PASC8

Panicum scabriusculum Elliot

tall swamp panicgrass

E

DIWR3

Dichanthelium wrightianum (Scribn.) Freckmann

PAWR7

Panicum wrightianum Scribn.

Wright's panicgrass

E

DIVI

Digitaria villosa (Walter) Pers.

shaggy crabgrass

E, X

DIPY

Diplazium pycnocarpon (Spreng.) Broun

glade fern

T

DIPA9

Dirca palustris L.

leatherwood

T

DRCA2

Drosera capillaris Poir.

pink sundew

E

DRCA3

Dryopteris campyloptera Clarkson

mountain wood-fern

E

DRCE

Dryopteris celsa (Wm. Palmer) Knowlt., Palmer & Pollard ex Small

log fern

T

ECCO3

Echinodorus cordifolius (L.) Griseb.

upright burhead

E

ELMI

Elatine minima (Nutt.) Fisch. & C.A. Mey.

small waterwort

E

ELAL

Eleocharis albida Torr.

white spikerush

E

ELCO2

Eleocharis compressa Sull.

flattened spikerush

E

ELEQ

Eleocharis equisetoides (Elliot) Torr.

knotted spikerush

E

ELHA2

Eleocharis halophila (Fernald & Brack.) Fernald & Brack.

salt-marsh spikerush

E

ELIN

Eleocharis intermedia Schult.

matted spikerush

E

ELME

Eleocharis melanocarpa Torr.

black-fruited spikerush

E

ELRO

Eleocharis robbinsii Oakes

Robbins' spikerush

E

ELTR5

Eleocharis tricostata Torr.

three-ribbed spikerush

E, X

ELTO2

Elephantopus tomentosus L.

tobaccoweed

E

ELTRT

Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus

AGTR

Agropyron trachycaulum (Link) Malte ex H.F. Lewis

rough-stemmed wheatgrass

E, X

EPCI

Epilobium ciliatum Raf.

northern willowherb

E

EPST

Epilobium strictum Muhl. ex Spreng.

downy willowherb

E

EQFL

Equisetum fluviatile L.

water horsetail

E

EQSY

Equisetum sylvaticum L.

wood horsetail

E

ERRE

Eragrostis refracta (Muhl.) Scribn.

meadow lovegrass

T

ERAQ2

Eriocaulon aquaticum (Hill) Druce

seven-angled pipewort

E

ERPA4

Eriocaulon parkeri B.L. Rob.

Parker's pipewort

T

ERYU

Eryngium yuccifolium Michx.

tall rattlesnake master

E, X

ERAL9

Erythronium albidum Nutt.

white trout lily

T

EULE

Eupatorium leucolepis (DC.) Torr. & A. Gray

white-bracted boneset

T

EUPU4

Euphorbia purpurea (Raf.) Fernald

Darlington's spurge

E

EUSP

Euphorbia spathulata Lam.

EUOB3

Euphorbia obtusata Pursh

blunt-leaved spurge

E

EURA10

Eurybia radula (Aiton) G.L. Nesom

ASRA8

Aster radula Aiton

rough-leaved aster

E

EUSP3

Eurybia spectabilis (Aiton) G.L. Nesom

ASSP11

Aster spectabilis Aiton

showy aster

E

EUMAM4

Eutrochium maculatum (L.) E.E. Lamont var. maculatum

EUMAM3

Eupatoriadelphus maculatus (L.) King & H. Rob. var. maculatus

EUMA6

Eupatorium maculatum L.

spotted joe-pye-weed

E, X

FEPA2

Festuca paradoxa Desv.

cluster fescue

E, X

FIRU2

Filipendula rubra (Hill) B.L. Rob.

queen-of-the-prairie

E

FIPE

Fimbristylis perpusilla Harper ex Small & Britton

Harper's fimbristylis

E

GABO2

Galium boreale L.

northern bedstraw

E

GAHI

Galium hispidulum Michx.

coast bedstraw

E

GAHI2

Gaultheria hispidula (L.) Muhl. ex Bigelow

creeping snowberry

E

GABR5

Gaylussacia brachycera (Michx.) A. Gray

box huckleberry

E

GEAN

Gentiana andrewsii Griseb.

fringe-tip closed gentian

T

GEPU5

Gentiana puberulenta J. Pringle

downy gentian

E, X

GEVI5

Gentiana villosa L.

striped gentian

E

GEQU2

Gentianella quinquefolia (L.) Small

stiff gentian

E

GECR2

Gentianopsis crinita (Froel.) Ma

fringed gentian

E

GERO

Geranium robertianum L.

herb-robert

E

GEAL3

Geum aleppicum Jacq.

yellow avens

E

GIST5

Gillenia stipulata (Muhl. ex Willd.) Baill.

POST5

Porteranthus stipulatus (Muhl. ex Willd.) Britton

American ipecac

E, X

GLMA

Glaux maritima L.

Sea Milkwort

E, X

GLAC

Glyceria acutiflora Torr.

sharp-scaled mannagrass

E

GLGR

Glyceria grandis S. Watson

American mannagrass

E

GORE2

Goodyera repens (L.) R. Br.

dwarf rattlesnake-plantain

E, X

GOTE

Goodyera tesselata Lodd.

tesselated rattlesnake-plantain

E, X

GRRA

Gratiola ramosa Walter

branching hedge-hyssop

E, X

GRVI2

Gratiola viscidula Pennell

Short's hedge-hyssop

E

GYDR

Gymnocarpium dryopteris (L.) Newman

oak fern

E

GYBR

Gymnopogon brevifolius Trin.

broad-leaved beardgrass

E

HASU3

Hasteola suaveolens (L.) Pojark.

sweet-scented Indian-plantain

E

HEBI2

Helianthemum bicknellii Fernald

hoary frostweed

E

HELA2

Helianthus laevigatus Torr. & A. Gray

smooth sunflower

E

HEMI3

Helianthus microcephalus Torr. & A. Gray

small-headed sunflower

E

HEOC2

Helianthus occidentalis Riddell

Mcdowell's sunflower

T

HEBU

Helonias bullata L.

swamp pink

E

HEVI2

Heuchera villosa Michx.

rough heuchera

E, X

HESP3

Hexalectris spicata (Walter) Barnhart

crested coralroot

E, X

HEVI3

Hexastylis virginica (L.) Small

Virginia heartleaf

E

HIOD

Hierochloe odorata (L.) P. Beauv.

holy grass

E

HOPE

Honckenya peploides (L.) Ehrh.

sea-beach sandwort

E, X

HOIN

Hottonia inflata Elliot

featherfoil

E

HUPO2

Huperzia porophila (Lloyd & Underw.) Holub

rock clubmoss

E, X

HYCA

Hydrastis canadensis L.

goldenseal

T

HYMA

Hydrophyllum macrophyllum Nutt.

large-leaved waterleaf

T

HYAD

Hypericum adpressum Raf. ex W. Bartram

creeping St. John's-wort

E

HYAS80

Hypericum ascyron L.

HYPY

Hypericum pyramidatum Aiton

great St. John's-wort

E, X

HYDE2

Hypericum denticulatum Walter

coppery St. John's-wort

E

HYDR

Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray

Drummond's St. John's-wort

E, X

HYGY

Hypericum gymnanthum Engelm. & A. Gray

clasping-leaved St. John's-wort

E

IRRH

Iresine rhizomatosa Standl.

bloodleaf

E

IRCR

Iris cristata Aiton

crested iris

E

IRPR

Iris prismatica Pursh ex Ker Gawl.

slender blue flag

E

IRVE

Iris verna L.

dwarf iris

E

ISME2

Isotria medeoloides (Pursh) Raf.

small whorled pogonia

E, X

JUARL

Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén

JUBA

Juncus balticus Willd.

Baltic rush

E, X

JUBR2

Juncus brachycephalus (Engelm.) Buchenau

small-headed rush

E, X

JUCA2

Juncus caesariensis Coville

New Jersey rush

E

JULO2

Juncus longii Fernald

Long's rush

E

JUME

Juncus megacephalus M.A. Curtis

big-headed rush

E, X

JUMI2

Juncus militaris Bigelow

bayonet rush

E, X

JUPE

Juncus pelocarpus E. Mey.

brown-fruited rush

E

JUTO

Juncus torreyi Coville

Torrey's rush

E

JUTR2

Juncus trifidus L.

highland rush

E

JUCO6

Juniperus communis L.

juniper

E, X

KRDA

Krigia dandelion (L.) Nutt.

potato dandelion

E

KYPU

Kyllinga pumila Michx.

thin-leaved flatsedge

E

LACA5

Lachnanthes caroliana (Lam.) Dandy

red-root

E

LAHI

Lactuca hirsuta Muhl. ex Nutt.

hairy lettuce

E, X

LALA

Larix laricina (Du Roi) K. Koch

larch

E

LAPA4

Lathyrus palustris L.

vetchling

E, X

LETE

Lechea tenuifolia Michx.

narrow-leaved pinweed

E, X

LEHE

Leersia hexandra Sw.

club-headed cutgrass

E

LELE2

Leersia lenticularis Michx.

catchfly-grass

E

LETR

Lemna trisulca L.

star duckweed

E

LISQ

Liatris squarrosa (L.) Michx.

scaly blazing-star

E

LITU3

Liatris turgida Gaiser

robust blazing-star

E, X

LICA16

Ligusticum canadense (L.) Britton

American lovage

E, X

LIPH

Lilium philadelphicum L.

wood lily

E, X

LISP2

Limnobium spongia (Bosc) Rich. ex Steud.

American frog's-bit

E

LIAU6

Limosella australis R. Br.

mudwort

E

LIBO3

Linnaea borealis L.

twinflower

E, X

LIFL

Linum floridanum (Planch.) Trel.

Florida yellow flax

E, X

LIIN

Linum intercursum E.P. Bicknell

sandplain flax

T

LISU4

Linum sulcatum Riddell

grooved flax

E

LIMI12

Lipocarpha micrantha (Vahl) G. Tucker

small-flowered hemicarpha

E

LICO6

Listera cordata (L.) R. Br.

Heartleaf Twayblade

E, X

LISM

Listera smallii Wiegand

Appalachian twayblade

E

LILA2

Lithospermum latifolium Michx.

American gromwell

E

LIAE

Litsea aestivalis (L.) Fernald

pondspice

E

LOCA

Lobelia canbyi A. Gray

Canby's lobelia

E

LOGL

Lobelia glandulosa Walter

glandular lobelia

E, X

LOCA7

Lonicera canadensis W. Bartram ex Marshall

Canada honeysuckle

E

LUGL

Ludwigia glandulosa Walter

cylindric-fruited seedbox

E

LUHI

Ludwigia hirtella Raf.

hairy ludwigia

E

LUPE3

Lupinus perennis L.

wild lupine

T

LYCA5

Lycopodiella caroliniana (L.) Pic. Serm.

Carolina clubmoss

E, X

LYAM2

Lycopus amplectens Raf.

sessile-leaved water-horehound

E

LYPA3

Lygodium palmatum (Bernh.) Sw.

climbing fern

T

LYHY

Lysimachia hybrida Michx.

lowland loosestrife

T

LYAL4

Lythrum alatum Pursh

winged loosestrife

E

MAST4

Maianthemum stellatum (L.) Link

SMST

Smilacina stellata (L.) Desf.

star-flowered false Solomon's-seal

E

MAGR7

Marshallia grandiflora Beadle & F.E. Boynt.

Barbara's buttons

E, X

MACA9

Matelea carolinensis (Jacq.) Woodson

anglepod

E

MADE3

Matelea decipiens (Alexander) Woodson

old-field milkvine

E, X

MAOB2

Matelea obliqua (Jacq.) Woodson

climbing milkweed

E

MEAC

Mecardonia acuminata (Walter) Small

erect water-hyssop

E

MEMU

Melica mutica Walter

narrow melicgrass

T

MENI

Melica nitens (Scribn.) Nutt. ex Piper

three-flowered melicgrass

T

MEPE3

Melothria pendula L.

creeping cucumber

E

METR3

Menyanthes trifoliata L.

buckbean

E

MIMI6

Micranthemum micranthemoides (Nutt.) Wettst.

Nuttall's micranthemum

E, X

MIGL5

Minuartia glabra (Michx.) Mattf.

mountain sandwort

E

MIMI2

Minuartia michauxii (Fenzl) Farw.

rock sandwort

T

MOLA6

Moehringia lateriflora (L.) Fenzl

grove sandwort

E

MOOD2

Monotropsis odorata Schwein. ex Elliot

sweet pinesap

E

MOCA7

Morella caroliniensis (Mill.) Small

MYHE

Myrica heterophylla Raf.

evergreen bayberry

E

MUCA2

Muhlenbergia capillaris (Lam.) Trin.

long-awned hairgrass

E

MUTO

Muhlenbergia torreyana (Schult.) Hitchc.

Torrey's dropseed

E

MYTE

Myriophyllum tenellum Bigelow

slender water-milfoil

E, X

NAGR

Najas gracillima (A. Braun ex Engelm.) Magnus

thread-like naiad

E, X

NEAQ2

Neobeckia aquatica (Eaton) Greene

ARLA22

Armoracia lacustris (A. Gray) Al-Shehbaz & V.M. Bates

lake cress

E

NYAQ

Nymphoides aquatica (J.F. Gmel.) Kuntze

larger floating-heart

E

NYCO

Nymphoides cordata (Elliot) Fernald

floating-heart

E

OLRIR

Oligoneuron rigidum (L.) Small var. rigidum

SORI2

Solidago rigida L.

hard-leaved goldenrod

E, X

ONBEB

Onosmodium bejariense DC. ex A. DC. var. bejariense

ONMO

Onosmodium molle Michx.

shaggy false-gromwell

E

ONVI2

Onosmodium virginianum (L.) A. DC.

Virginia false-gromwell

E

ORSE

Orthilia secunda (L.) House

one-sided pyrola

E, X

ORAS

Oryzopsis asperifolia Michx.

white-fruited mountainrice

T

OXAR

Oxydendrum arboreum (L.) DC.

sourwood

E

OXCA2

Oxypolis canbyi (J.M. Coult. & Rose) Fernald

Canby's dropwort

E

PAFL2

Panicum flexile (Gattinger) Scribn.

wiry witch-grass

E

PAAS2

Parnassia asarifolia Vent.

kidneyleaf grass-of-parnassus

E

PAVI4

Paronychia virginica Spreng.

yellow nailwort

E

PAIN3

Parthenium integrifolium L.

American feverfew

E

PADI5

Paspalum dissectum (L.) L.

Walter's paspalum

T

PAFL5

Paspalum fluitans (Elliot) Kunth

floating paspalum

E

PARA2

Patis racemosa (Sm.) Romasch., P.M. Peterson & R. J. Soreng

ORRA2

Oryzopsis racemosa (Sm.) Ricker ex Hitchc.

black-fruited mountainrice

T

PIRA5

Piptatherum racemosum (Sm.) Barkworth

PACA

Paxistima canbyi A. Gray

Canby's mountain lover

E

PELA2

Pedicularis lanceolata Michx.

swamp lousewort

E

PEGL

Pellaea glabella Mett. ex Kuhn

smooth cliffbrake

E

PEBO

Persea borbonia (L.) Spreng.

red bay

E

PHCO30

Phacelia covillei S. Watson

Coville's phacelia

E

PHCA6

Phalaris caroliniana Walter

May grass

E, X

PHTE18

Phemeranthus teretifolius (Pursh) Raf.

TATE

Talinum teretifolium Pursh

fameflower

T

PHCA19

Phlox carolina L.

thick-leaved phlox

E, X

PHGL4

Phlox glaberrima L.

smooth phlox

E, X

PHLA13

Phlox latifolia Michx.

mountain phlox

E, X

PHPI

Phlox pilosa L.

downy phlox

E

PLCO2

Plantago cordata Lam.

heart-leaved plantain

E, X

PLPU

Plantago pusilla Nutt.

slender plantain

E, X

PLBL

Platanthera blephariglottis (Willd.) Lindl.

white fringed orchid

T

PLCI2

Platanthera ciliaris (L.) Lindl.

yellow fringed orchid

T

PLCR

Platanthera cristata (Michx.) Lindl.

crested yellow orchid

T

PLGR2

Platanthera grandiflora (Bigelow) Lindl.

large purple fringed orchid

T

PLPE

Platanthera peramoena (A. Gray) A. Gray

purple fringeless orchid

T

PLPS2

Platanthera psycodes (L.) Lindl.

small purple fringed orchid

E, X

PLCA7

Pluchea camphorata (L.) DC.

marsh fleabane

E

POSA

Poa saltuensis Fernald & Wiegand

drooping bluegrass

E

PODO3

Polanisia dodecandra (L.) DC.

clammyweed

E

POVA5

Polemonium vanbruntiae Britton

Jacob's-ladder

T

POCR

Polygala cruciata L.

cross-leaved milkwort

T

POPO

Polygala polygama Walter

racemed milkwort

T

POSE3

Polygala senega L.

Seneca snakeroot

T

POGL10

Polygonum glabrum Willd.

PODE2

Polygonum densiflorum Meisn.

dense-flowered knotweed

E

POGL7

Polygonum glaucum Nutt.

seaside knotweed

E

PORA3

Polygonum ramosissimum Michx.

bushy knotweed

E, X

PORO

Polygonum robustius (Small) Fernald

stout smartweed

E, X

POAM5

Potamogeton amplifolius Tuck.

large-leaved pondweed

E, X

POFO3

Potamogeton foliosus Raf.

leafy pondweed

E

PORI2

Potamogeton richardsonii (Benn.) Rydb.

redheadgrass

E, X

PORO2

Potamogeton robbinsii Oakes

Robbins' pondweed

E, X

POZO

Potamogeton zosteriformis Fernald

flatstem pondweed

E

PRAU

Prenanthes autumnalis Walter

slender rattlesnake-root

E

PRAL5

Prunus alleghaniensis Porter

Alleghany plum

T

PRMA2

Prunus maritima Marshall

beach plum

E

PTNO

Ptilimnium nodosum (Rose) Mathias

harperella

E

PYPY

Pycnanthemum pycnanthemoides (Leavenworth) Fernald

southern mountain-mint

E, X

PYSE2

Pycnanthemum setosum Nutt.

awned mountain-mint

T

PYTO

Pycnanthemum torrei Benth.

Torrey's mountain-mint

E

PYVE

Pycnanthemum verticillatum (Michx.) Pers.

whorled mountain-mint

E

PYCH

Pyrola chlorantha Sw.

PYVI3

Pyrola virens Schreb.

greenish-flowered pyrola

E, X

QUSH

Quercus shumardii Buckley

Shumard's oak

T

RAAM

Ranunculus ambigens S. Watson

water-plantain spearwort

E, X

RAFA

Ranunculus fascicularis Muhl. ex Bigelow

early buttercup

E

RAFL

Ranunculus flabellaris Raf.

yellow water-crowfoot

E

RAHE2

Ranunculus hederaceus L.

long-stalked crowfoot

E, X

RAHIN

Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan

hispid buttercup

E, X

RAPE2

Ranunculus pensylvanicus L. f.

bristly crowfoot

E, X

RATR

Ranunculus trichophyllus Chaix

white water-crowfoot

E

RHTO3

Rhynchosia tomentosa (L.) Hook. & Arn.

hairy snoutbean

T

RHCE

Rhynchospora cephalantha A. Gray

capitate beakrush

E

RHGL2

Rhynchospora globularis (Chapm.) Small

grass-like beakrush

E

RHGL3

Rhynchospora glomerata (L.) Vahl

clustered beakrush

T

RHIN7

Rhynchospora inundata (Oakes) Fernald

drowned hornedrush

E

RHNI

Rhynchospora nitens (Vahl) A. Gray

short-beaked baldrush

E

RHPA

Rhynchospora pallida M.A. Curtis

pale beakrush

E, X

RHRA2

Rhynchospora rariflora (Michx.) Elliot

few-flowered beakrush

E, X

RHSC5

Rhynchospora scirpoides (Torr.) A. Gray

long-beaked baldrush

T

RHTO4

Rhynchospora torreyana A. Gray

Torrey's beakrush

T

RIAM2

Ribes americanum Mill.

wild black currant

E, X

ROBL

Rosa blanda Aiton

smooth rose

E

RUHU

Ruellia humilis Nutt.

hairy wild-petunia

E

RUPU2

Ruellia purshiana Fernald

Pursh's ruellia

E

RUST2

Ruellia strepens L.

rustling wild-petunia

E

RUAL4

Rumex altissimus Alph. Wood

tall dock

E

RUVE3

Rumex verticillatus L.

RUFL2

Rumex floridanus Meisn.

Florida dock

E

SACA26

Sabatia campanulata (L.) Torr.

slender marsh pink

E

SADI2

Sabatia difformis (L.) Druce

lance-leaved sabatia

E

SABRC3

Saccharum brevibarbe (Michx.) Pers. var. contortum (Elliott) R. Webster

ERCO2

Erianthus contortus Elliot

bent-awn plumegrass

T

SAST

Sacciolepis striata (L.) Nash

sacciolepis

E

SAEN

Sagittaria engelmanniana J.G. Sm.

Engelmann's arrowhead

T

SARI

Sagittaria rigida Pursh

sessile-fruited arrowhead

E

SABE2

Salix bebbiana Sarg.

Bebb's willow

E, X

SAEX

Salix exigua Nutt.

sandbar willow

E

SALU

Salix lucida Muhl.

shining willow

E, X

SAUR

Salvia urticifolia L.

nettle-leaved sage

E, X

SACA14

Sanguisorba canadensis L.

Canada burnet

T

SAPU4

Sarracenia purpurea L.

northern pitcher-plant

T

SCPU

Schizachne purpurascens (Torr.) Swallen

purple oat

E

SCSM3

Schoenoplectiella smithii (A. Gray) Hayas.

SCSM2

Schoenoplectus smithii (A. Gray) Soják

SCSM

Scirpus smithii A. Gray

Smith's clubrush

E, X

SCET2

Schoenoplectus etuberculatus (Steud.) Soják

SCET3

Scirpus etuberculatus (Steud.) Kunze

Canby's bulrush

E

SCSU10

Schoenoplectus subterminalis (Torr.) Soják

SCSU

Scirpus subterminalis Torr.

water clubrush

E

SCTO3

Schoenoplectus torreyi (Olney) Palla

SCTO

Scirpus torreyi Olney

Torrey's clubrush

E, X

SCAM

Schwalbea americana L.

chaffseed

E, X

SCAN5

Scirpus ancistrochaetus Schuyler

northeastern bulrush

E

SCMI4

Scleria minor W. Stone

slender nutrush

E

SCTR

Scleria triglomerata Michx.

SCNI3

Scleria nitida Muhl. ex Willd.

shining nutrush

E

SCVE2

Scleria verticillata Muhl. ex Willd.

whorled nutrush

E

SCUN3

Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb.

pink bog-button

T

SCNE2

Scutellaria nervosa Pursh

veined skullcap

E

SCPA7

Scutellaria parvula Michx.

small skullcap

E, X

SCPAM

Scutellaria parvula Michx. var. missouriensis (Torr.) Goodman & C.A. Lawson

SCLE

Scutellaria leonardii Epling

Leonard's skullcap

T

SCSA5

Scutellaria saxatilis Riddell

rock skullcap

E

SEGL3

Sedum glaucophyllum R.T. Clausen

cliff stonecrop

E

SEMA3

Sesuvium maritimum (Walter) Britton, Sterns & Poggenb.

sea-purslane

E

SIHE3

Sida hermaphrodita (L.) Rusby

Virginia mallow

E

SINI

Silene nivea (Nutt.) Muhl. ex Otth

snowy campion

E

SIFU2

Sisyrinchium fuscatum E.P. Bicknell

sand blueeyed-grass

E, X

SMPS

Smilax pseudochina L.

halberd-leaved greenbrier

T

SOCU

Solidago curtisii Torr. & A. Gray

Curtis' goldenrod

E

SOHI

Solidago hispida Muhl. ex Willd.

hairy goldenrod

E, X

SORO2

Solidago roanensis Porter

mountain goldenrod

E

SORU3

Solidago rupestris Raf.

rock goldenrod

E, X

SOSIS4

Solidago simplex Kunth ssp. simplex var. spathulata (DC.) Cronquist

SOSP

Solidago spathulata DC.

riverbank goldenrod

T

SOSP2

Solidago speciosa Nutt.

showy goldenrod

T

SOEL3

Sorghastrum elliottii (C. Mohr) Nash

long-bristled Indian-grass

E

SPGL2

Spermacoce glabra Michx.

buttonweed

E

SPPE3

Sphenopholis pensylvanica (L.) Hitchc.

swamp-oats

T

SPLU2

Spiranthes lucida (H.H. Eaton) Ames

wide-leaved ladys' tresses

E

SPOC

Spiranthes ochroleuca (Rydb.) Rydb.

yellow nodding ladys' tresses

E

SPOD

Spiranthes odorata (Nutt.) Lindl.

sweet-scented ladys' tresses

E, X

SPCL

Sporobolus clandestinus (Biehler) Hitchc.

rough rushgrass

E

SPHE

Sporobolus heterolepis (A. Gray) A. Gray

northern dropseed

E

SPNE2

Sporobolus neglectus Nash

small rushgrass

E, X

STAS

Stachys aspera Michx.

rough hedge-nettle

E

STCL

Stachys clingmanii Small

Clingman's hedge-nettle

E

STAL4

Stellaria alsine Grimm

trailing stitchwort

E

STGR2

Stenanthium gramineum (Ker Gawl.) Morong

featherbells

T

STLAR

Streptopus lanceolatus (Aiton) Reveal var. roseus (Michx.) Reveal

STRO4

Streptopus roseus Michx.

rose twisted-stalk

T

SYAL

Symphoricarpos albus (L.) S.F. Blake

snowberry

T

SYCO3

Symphyotrichum concolor (L.) G.L. Nesom

ASCO2

Aster concolor L.

silvery aster

E

SYDE2

Symphyotrichum depauperatum (Fernald) G.L. Nesom

ASDE9

Aster depauperatus Fernald

serpentine aster

E

SYLAC

Symphyotrichum laeve (L.) Á. Löve & D. Löve var. concinnum (Willd.) G.L. Nesom

ASCO23

Aster concinnus Willd.

Steele's aster

E, X

TAMO

Taenidia montana (Mack.) Cronquist

mountain pimpernel

T

TACA7

Taxus canadensis Marshall

American yew

T

TESP

Tephrosia spicata (Walter) Torr. & A. Gray

southern goat's rue

E

THTR

Thaspium trifoliatum (L.) A. Gray

purple meadow-parsnip

E

THSI2

Thelypteris simulata (Davenport) Nieuwl.

bog fern

T

THOC2

Thuja occidentalis L.

arbor-vitae

T

TOPA6

Torreyochloa pallida (Torr.) Church

pale mannagrass

E

TRDI

Trachelospermum difforme (Walter) A. Gray

climbing dogbane

E

TRRA6

Triantha racemosa (Walter) Small

TORA

Tofieldia racemosa (Walter) Britton, Sterns & Poggenb.

coastal false asphodel

E, X

TRRE2

Trifolium reflexum L.

buffalo clover

E, X

TRVI3

Trifolium virginicum Small ex Small & Vail

Kate's-mountain clover

T

TRST16

Triglochin striata Ruiz & Pav.

TRST6

Triglochin striatum Ruiz & Pav., orth. var.

three-ribbed arrow-grass

E

TRFL6

Trillium flexipes Raf.

drooping trillium

E

TRNI2

Trillium nivale Riddell

snow trillium

E

TRPUV

Trillium pusillum Michx. var. virginianum Fernald

dwarf trillium

T

TRAN3

Triosteum angustifolium L.

narrow-leaved horse-gentian

E

TRTR3

Triphora trianthophora (Sw.) Rydb.

nodding pogonia

E, X

UTGI

Utricularia gibba L.

UTBI

Utricularia biflora Lam.

two-flowered bladderwort

E

UTIN

Utricularia inflata Walter

swollen bladderwort

E

UTPU

Utricularia purpurea Walter

purple bladderwort

T

UTRE

Utricularia resupinata B.D. Greene ex Bigelow

reversed bladderwort

E

UTST

Utricularia striata Leconte ex Torr.

UTFI3

Utricularia fibrosa Britton

fibrous bladderwort

E

VAOX

Vaccinium oxycoccos L.

small cranberry

T

VAPA2

Valeriana pauciflora Michx.

valerian

E

VACH

Valerianella chenopodiifolia (Pursh) DC.

goose-foot cornsalad

E

VAUM

Valerianella umbilicata (Sull.) Alph. Wood

tall cornsalad

E, X

VEHY

Veratrum hybridum (Walter) J.H. Zimmerman ex Zomlefer

MELA4

Melanthium latifolium Desr.

broad-leaved bunchflower

E

VELA11

Veratrum latifolium (Desr.) Zomlefer

VESC2

Veronica scutellata L.

marsh speedwell

E

VIAM

Vicia americana Muhl. ex Willd.

purple vetch

E, X

VINO2

Vitis ×novae-angliae Fernald (pro sp.) [labrusca × riparia]

New England grape

E, X

WOGL2

Wolffiella gladiata (Hegelm.) Hegelm.

WOFL

Wolffiella floridana (Donn. Sm.) C.H. Thomp.

wolffiella

E, X

WOIL

Woodsia ilvensis (L.) R. Br.

rusty woodsia

T

XYFI

Xyris fimbriata Elliot

fringed yelloweyed-grass

E

XYSM

Xyris smalliana Nash

Small's yelloweyed-grass

E

ZAAM

Zanthoxylum americanum Mill.

northern prickly-ash

E

ZEAT

Zephyranthes atamasca (L.) Herb.

Atamasco lily

E

ZIMI

Zizaniopsis miliacea (Michx.) Döll & Asch.

southern wildrice

E