Waldsteinia fragarioides (syn. Dalibarda fragarioides Michx. and Geum fragarioides, also called Appalachian barren strawberry, or just barren strawberry, is a low, spreading plant with showy yellow flowers that appear in early spring. This plant is often used as an underplanting in perennial gardens.
Viburnum nudum is a deciduous shrub in the genus Viburnum within the muskroot family, Adoxaceae.
Minuartia groenlandica, the Greenland stitchwort or mountain stitchwort, Appalachian stitchwort, mountain sandwort, smooth mountain sandwort, and smooth sandwort is a rare perennial which grows low to the ground in clumps linked together at the bottom. It has three to five pairs of leaves in a linear opposite pattern along the length of the slender stem. The main stem breaks into one to thirty cymes which each flower separately. The flowers are white and arise five to ten centimeters above the thick foliage. The white flower petals are six to ten millimeters long. The petals are, in turn, surrounded by five green sepals.
Viola nephrophylla syn. Viola nephrophylla Greene f. albinea (Farw.), Viola pratincola Greene, Viola retusa Greene ) is an annual or perennial forb in the Violet family (Violaceae) native to North America.
Sagittaria teres, the quill-leaved arrowhead or slender arrowhead, is an aquatic plant species in the genus Sagittaria native to the northeastern United States: Rhode Island, Massachusetts, New Hampshire, New York and New Jersey.
Atriplex glabriuscula, common names Scotland orache, smooth orache, Babington's orache or seaside orach is an Atriplex species native to North America and northern Europe. It is an annual.
Desmodium sessilifolium, common name sessileleaf ticktrefoil, is a species of plant in the legume family, Fabaceae. It is native to North America.
Botrychium simplex, the little grapefern, is a species of fern in the family Ophioglossaceae that is native to North America and Greenland. It is a perennial.
Linum intercursum, common names sandplain flax and sandplain wild flax, is a perennial plant native to the United States.
Carex novae-angliae, the New England sedge, is a Carex species that is native to North America.
Spiranthes tuberosa, commonly called little lady's tresses, little pearl-twist and slender ladies'-tresses is an orchid species. It is a perennial plant native to North America.
Carex schweinitzii, common name Schweinitz's sedge, is a Carex species native to North America. It is a perennial.
Carex sterilis, common names dioecious sedge, sterile sedge and Atlantic sedge, is a perennial plant native to North America.
Carex typhina, common name cattail sedge, is a species of Carex native to North America.
Dichanthelium xanthophysum, formerly known as Panicum xanthophysum, common names slender rosette grass, panic grass and slender panic-grass, is a plant found in North America. It is listed as a special concern and believed extirpated in Connecticut. It is listed as endangered in New Jersey and Pennsylvania.
Panicum verrucosum, common name warty panicgrass, is a plant in North America. It is listed as a special concern and believed extirpated in Connecticut. It is listed as threatened in Indiana and Michigan, and as endangered in Ohio.
Potamogeton gemmiparus, is a species of plant found in North America. It is also known as Potamogeton pusillus var. gemmiparus, common names capillary pondweed, slender pondweed, and budding pondweed. It is listed as threatened in Connecticut and in New Hampshire, as rare in Indiana, and as a special concern in Rhode Island.
Potamogeton hillii, common name Hill's pondweed, is a species of plant found in North America. It is listed as endangered in Connecticut, Ohio, and Pennsylvania. It is listed as a special concern in Massachusetts and as threatened in Michigan and New York (state).
Cryptogramma stelleri, common names slender cliff-brake, fragile rock-brake, slender rock-brake, and Steller's rockbrake, is a plant found in North America. It is listed as endangered in Connecticut, Massachusetts, New Jersey, and Pennsylvania. It is listed as threatened in Maine and New Hampshire, as exploitably vulnerable in New York (state) and as sensitive in Washington (state).
Dichanthelium sphaerocarpon, also called Panicum polyanthes, common name round-seed panic grass, is a plant found in North America. It is listed as endangered in Michigan. Dichanthelium sphaerocarpon var. isophyllum is listed as a special concern and believed extirpated in Connecticut.
