Endangered Plants
Common NameScientific Name
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

Threatened Plants
Common NameScientific Name
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 quadrangulat
Lesser Bladderwort Utricularia minor
Yellow Lady Slipper Cypripedium parviflorum

Special Concern Plants
Common NameScientific Name
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