Taxon: Muhlenbergia uniseta (Lag.) Columbus

Summary

Genus:

Muhlenbergia

Family:

Poaceae (alt. Gramineae)

Subfamily:

Chloridoideae

Tribe:

Cynodonteae

Subtribe:

Muhlenbergiinae

Nomen number:

497386

Place of publication:

Aliso 28:66. 2010

Comment:

non Muhlenbergia tenella Trin. (1824)

Verified:

08/06/2025 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Basionym
Hymenothecium unisetum Lag.

Heterotypic Synonym(s)
Aegopogon tenellus (DC.) Trin.
Lamarckia tenella DC.

No images

Conservation Status

Common names

Language	Name	Alternate name	note	seq	Citation
English	fragile grass		as Aegopogon tenellus	1	FNA Editorial Committee. 1993-. Flora of North America. Note: as Aegopogon tenellus

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Durango		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Sonora		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Aguascalientes		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	México		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Morelos		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Tlaxcala		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		McVaugh, R. 1983-. Flora Novo-Galiciana.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Southern America	Central America	Costa Rica			Burger, W. C., ed. 1971-. Flora costaricensis.
1	Native	Southern America	Central America	El Salvador
1	Native	Southern America	Central America	Guatemala			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Honduras			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Panama			Davidse, G. et al., eds. 1994. Flora mesoamericana.

Native
Northern America

SOUTHWESTERN U.S.A.: United States [Arizona (s.)]
NORTHERN MEXICO: Mexico [Baja California (Norte), Chihuahua, Durango, San Luis Potosí, Sinaloa, Sonora, Zacatecas]
SOUTHERN MEXICO: Mexico [Aguascalientes, Chiapas, Guerrero, Hidalgo, Jalisco, México, Michoacán de Ocampo, Morelos, Oaxaca, Puebla, Tlaxcala, Veracruz de Ignacio de la Llave]

Southern America

CENTRAL AMERICA: Costa Rica, Guatemala, Honduras, Panama, El Salvador

Reference(s)

Burger, W. C., ed. 1971-. Flora costaricensis.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America.
McVaugh, R. 1983-. Flora Novo-Galiciana.

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=497386. Accessed 12 May 2026.