Calopogon tuberosus

Tuberous grass pink
	Ottawa, Ontario
Conservation status
	; Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Arethuseae
Genus:	Calopogon
Species:	C. tuberosus
Binomial name
	Calopogon tuberosus; Britton, Sterns & Poggenb.

Calopogon tuberosus, the tuberous grass pink, is an orchid native to eastern North America.^[1] In the United States, it occurs from as far southwest as Texas and Oklahoma and southeast to the Florida Everglades to as far northeast as Maine and as far northwest as Minnesota. In Canada, it is found in all provinces from Newfoundland to Manitoba. It also is found in St. Pierre & Miquelon, Cuba and the Bahamas.^[2]^[3]^[4]

Conservation status

It is listed as "G5 - Secure" under the NatureServe conservation status system. However it is listed as an endangered species by the states of Illinois, Kentucky, and Maryland, and as exploitably vulnerable by New York.

^ ^a ^b Justice, William S.; Bell, C. Ritchie; Lindsey, Anne H. (2005). Wild Flowers of North Carolina (2. printing. ed.). Chapel Hill, NC: Univ. of North Carolina Press. p. 53. ISBN 0807855979.
^ "Calopogon tuberosus". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
^ Kew World Checklist of Selected Plant Families
^ USDA, NRCS (n.d.). "Calopogon tuberosus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.

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