Endangered

Bog Clubmoss 

Lycopodiella inundata

Netted Chain Fern         

Woodwardia areolata

Yellow Harlequin

Corydalis flavula

Spring Avens  

Geum vernum

Winter Grape 

Vitis vulpina

Tall Thistle   

Cirsium altissimum

Purple Everlasting    

Gnaphalium purpureum

Stiff-leaf Goldenrod

Solidago rigida

Bicknell’s Sedge   

Carex bicknellii

Soft Fox Sedge

Carex conjuncta

Cat-tail Sedge  

Carex typhina

Long-beaked Bald Rush    

Rhynchospora scirpoides

Large Twayblade   

Liparis lilifolia

Purple Milkweed   

Asclepias purpurascens

Swamp Cottonwood

Populus heterophylla

Rattlebox

Crotalaria sagittalis

Swamp Agrimony 

Agrimonia parviflora

Featherfoil

Hottonia inflata

Slender Pinweed

Lechea tenuifolia

Shrubby St. Johnswort

Hypericum prolificum

Mudwort

Limosella australis

Winged Monkeyflower 

Mimulus alatus

Slender Saltmarsh Aster    

Aster tenuifolius

Spongy Arrowhead

Sagittaria montevidensis spongiosa

Strap-leaf Arrowhead

Sagittaria subulata

Spotted Pondweed    

Potamogeton pulcher

Angled Spikerush

Eleocharis quadrangulata

Lesser Bladderwort 

Utricularia minor

Yellow Lady Slipper    

Cypripedium parviflorum

Walking Fern

Asplenium rhizophyllum

Purple Cliffbrake       

Pellaea atropurpurea

Eastern Prickly Pear   

Opuntia humifusa

Trailing Arbutus

Epigaea repens

Grass-of-Parnassus

Parnassia glauca

Pitcher Plant 

Sarracenia purpurea

Four-leaf Milkweed

Asclepias quadrifolia

River Birch  

Betula nigra

Striped Maple   

Acer pensylvanicum

American Holly  

Ilex opaca

Prickly Hornwort

Ceratophyllum echinatum

Dittany     

Cunilla origanoides

Stiff Yellow Flax  

Linum striatum

Wild Pink    

Silene caroliniana

Blunt Mountain Mint

Pycnanthemum muticum

Small Floating Bladderwort   

Utricularia radiata

Large Yellow-eyed Grass  

Xyris smalliana

Showy Orchis

Galearis spectabilis