Taxon: Sporobolus rigidus (Buckley) P. M. Peterson var. rigidus

Summary

Genus:

Sporobolus

Family:

Poaceae (alt. Gramineae)

Subfamily:

Chloridoideae

Tribe:

Zoysieae

Subtribe:

Sporobolinae

Nomen number:

497366

Verified:

05/03/2022 ARS Systematic Botanists.

Accessions:

17 (13 active, 8 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Sporobolus rigidus (Buckley) P. M. Peterson (0 active accession[s])
Sporobolus rigidus (Buckley) P. M. Peterson var. magnus (Scribn. & Merr.) P. M. Peterson (0 active accession[s])

Autonyms (not in current use), synonyms and invalid designations

Basionym
Vilfa rigida Buckley

Heterotypic Synonym(s)
Calamagrostis longifolia Hook.
Calamovilfa longifolia (Hook.) Scribn.
Calamovilfa longifolia (Hook.) Scribn. var. longifolia

No images

Conservation Status

Common names

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Eastern Canada	Canada	Ontario	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana	n.w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho	n.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico	n.e.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Alberta	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia	s.e.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan	s.	FNA Editorial Committee. 1993-. Flora of North America.

Native
Northern America

EASTERN CANADA: Canada [Ontario (s.)]
WESTERN CANADA: Canada [Alberta (s.), British Columbia (s.e.), Manitoba (s.), Saskatchewan (s.)]
NORTHEASTERN U.S.A.: United States [Indiana (n.w.), Michigan]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Idaho (n.), Montana, Wyoming]
SOUTH-CENTRAL U.S.A.: United States [New Mexico (n.e.)]

Reference(s)

FNA Editorial Committee. 1993-. Flora of North America.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=497366. Accessed 14 April 2026.