Taxon: Diplachne fusca (L.) P. Beauv. ex Roem. & Schult. subsp. uninervia (J. Presl) P. M. Peterson & N. Snow

Summary

Genus:

Diplachne

Family:

Poaceae (alt. Gramineae)

Subfamily:

Chloridoideae

Tribe:

Cynodonteae

Subtribe:

Eleusininae

Nomen number:

465474

Place of publication:

Ann. Bot. (Oxford) ser. 2, 109:1327. 2012

Verified:

06/28/2012 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

Diplachne fusca (L.) P. Beauv. ex Roem. & Schult. (0 active accession[s])
Diplachne fusca (L.) P. Beauv. ex Roem. & Schult. subsp. fascicularis (Lam.) P. M. Peterson & N. Snow (0 active accession[s])
Diplachne fusca (L.) P. Beauv. ex Roem. & Schult. subsp. fusca (5 active accession[s])
Diplachne fusca (L.) P. Beauv. ex Roem. & Schult. subsp. muelleri (Benth.) P. M. Peterson & N. Snow (0 active accession[s])
Diplachne fusca var. uninervia (0 active accession[s])

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

Basionym
Megastachya uninervia J. Presl

Homotypic Synonym(s)
Diplachne uninervia (J. Presl) Parodi
Leptochloa fusca (L.) Kunth subsp. uninervia (J. Presl) N. Snow
Leptochloa uninervia (J. Presl) Hitchc. & Chase

No images

Conservation Status

Reference(s)

Petersen, P. M. et al. 2012. A molecular phylogeny and classification of Leptochloa (Poaceae: Chloridoideae: Chlorideae) sensu lato and related genera. Ann. Bot. (Oxford) 109:1317-1330.

Common names

Language	Name	Alternate name	note	seq	Citation
English	Mexican sprangletop		as Leptochloa uninervia	1	Welsh, S. L. et al. 1993. A Utah flora. Note: = Leptochloa uninervia (J. Presl) A. Hitchc. & Chase

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa
1	Native	Northern America	Northern Mexico	Mexico	Sonora
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina	c.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato
1	Native	Northern America	Southern Mexico	Mexico	Jalisco
1	Native	Northern America	Southern Mexico	Mexico	México
1	Native	Northern America	Southern Mexico	Mexico	Morelos
1	Native	Northern America	Southern Mexico	Mexico	Nayarit
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Southern America	Brazil	Brazil
1	Native	Southern America	Caribbean	Bahamas
1	Native	Southern America	Caribbean	Cuba
1	Native	Southern America	Caribbean	Jamaica
1	Native	Southern America	Caribbean	United States	Puerto Rico	s.
1	Native	Southern America	Central America	Belize
1	Native	Southern America	Central America	Costa Rica
1	Native	Southern America	Central America	Honduras
1	Native	Southern America	Central America	Nicaragua
1	Native	Southern America	Northern South America	Venezuela
1	Native	Southern America	Southern South America	Argentina
1	Native	Southern America	Southern South America	Chile
1	Native	Southern America	Southern South America	Paraguay
1	Native	Southern America	Southern South America	Uruguay
1	Native	Southern America	Western South America	Bolivia
1	Native	Southern America	Western South America	Ecuador
1	Native	Southern America	Western South America	Peru

Native
Northern America

NORTHWESTERN U.S.A.: United States [Colorado, Oregon]
SOUTHEASTERN U.S.A.: United States [Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina (c.), Tennessee]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Utah]
NORTHERN MEXICO: Mexico [Baja California (Norte), Baja California Sur, Chihuahua, Sinaloa, Sonora]
SOUTHERN MEXICO: Mexico [Guanajuato, Jalisco, México, Morelos, Nayarit, Oaxaca]

Southern America

CARIBBEAN: Bahamas, Cuba, Jamaica, United States [Puerto Rico (s.)]
CENTRAL AMERICA: Belize, Costa Rica, Honduras, Nicaragua
NORTHERN SOUTH AMERICA: Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Argentina, Chile, Paraguay, Uruguay

Reference(s)

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

Economic Uses

Usage	Type	Note	Reference
Weed	seed contaminant	potential; as Leptochloa uninervia	CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: as Leptochloa uninervia

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=465474. Accessed 12 May 2026.