Piptatherum pungens

Piptatherum pungens, also called Oryzopsis pungens, commonly called slender mountain-ricegrass, ricegrass, northern ricegrass, or slender mountain-rice, is a plant found in North America.^[1] It is listed as endangered in Connecticut,^[2] Iowa, New Jersey, and Pennsylvania. It is listed as extirpated in Indiana, as a special concern in Rhode Island, and as threatened in Vermont.^[1]

Piptatherum pungens
1913 illustration.
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Genus:	Piptatherum
Species:	P. pungens
Binomial name
Piptatherum pungens (Torr. ex Spreng.) Dorn
Synonyms
Oryzopsis pungens