Hesperostipa comata (Trin. & Rupr.) Barkworth GRIN-Global

Taxon: Hesperostipa comata (Trin. & Rupr.) Barkworth

Summary

Genus:

Hesperostipa

Family:

Poaceae (alt. Gramineae)

Subfamily:

Pooideae

Tribe:

Stipeae

Nomen number:

402288

Place of publication:

Phytologia 74:16. 1993

Verified:

06/02/1995 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. comata (0 active accession[s])
Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. intermedia (Scribn. & Tweedy) Barkworth (0 active accession[s])

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

No images

Reference(s)

Allred, Kelly W. Flora Neomexicana I: The vascular plants of New Mexico, an annotated checklist to the names of vascular plants with synonymy and bibliography. 2008
Cronquist, A. et al. Intermountain flora. 1972-
Deam, C. C. Flora of Indiana. 1940
Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993
Hitchcock, A. S. Manual of the grasses of the United States, ed. 2. 1950
Markle, G. M. et al., eds. Food and feed crops of the United States, ed. 2. 1998
McGregor, R. L. et al. (The Great Plains Flora Association). Atlas of the Flora of the Great Plains. 1977
Mohlenbrock, R. H. Guide to the vascular flora of Illinois. 1975
Scoggan, H. J. The flora of Canada, 4 vol. 1978-1979
Welsh, S. L. et al. A Utah flora. 1993
Webster's third new international dictionary. 1961

Common names

English
needle-and-thread grass –
needlegrass –
spear grass –

Distribution

order_code	Status	Continent	Subcontinent	Country	State
1	Native	Northern America		United States
1	Native	Northern America	North-Central U.S.A.	United States	Illinois
1	Native	Northern America	North-Central U.S.A.	United States	Iowa
1	Native	Northern America	North-Central U.S.A.	United States	Kansas
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho
1	Native	Northern America	Northwestern U.S.A.	United States	Montana
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon
1	Native	Northern America	Northwestern U.S.A.	United States	Washington
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico
1	Native	Northern America	South-Central U.S.A.	United States	Texas
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona
1	Native	Northern America	Southwestern U.S.A.	United States	California
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada
1	Native	Northern America	Southwestern U.S.A.	United States	Utah
1	Native	Northern America	Subarctic America	Canada	Yukon Territory
1	Native	Northern America	Western Canada	Canada	Alberta
1	Native	Northern America	Western Canada	Canada	British Columbia
1	Native	Northern America	Western Canada	Canada	Manitoba
1	Native	Northern America	Western Canada	Canada	Saskatchewan
4	Naturalized

Native
Northern America

REGION: United States
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
SUBARCTIC AMERICA: Canada [Yukon Territory]
WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, British Columbia]

Naturalized ()

Economic Uses

Usage	Type	Note	Reference
Animal food	forage		Markle, G. M. et al., eds. Food and feed crops of the United States, ed. 2. 1998
Vertebrate poisons	mammals		Cronquist, A. et al. Intermountain flora. 1972-

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://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=402288. Accessed 30 April 2026.