Piptatherum pungens

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

Last updated May 17, 2025

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]

References

1 2 NRCS. "Piptatheropsis pungens". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 7 April 2021.
↑ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 17 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)

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[PLANTS-1] 1 2 NRCS. "Piptatheropsis pungens". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 7 April 2021.

[2] "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 17 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)

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