Taxon: Diplachne fusca (L.) P. Beauv. ex Roem. & Schult.

Summary

Genus:

Diplachne

Family:

Poaceae (alt. Gramineae)

Subfamily:

Chloridoideae

Tribe:

Cynodonteae

Subtribe:

Eleusininae

Nomen number:

14348

Place of publication:

Syst. veg. 2:615. 1817

Protologue link:

https://biodiversitylibrary.org/page/720304

Comment:

P. Beauv. did not actually make this combination in Ess. Agrostogr. (1812), although the index has a cross reference to Diplachne for Festuca fusca on p. 163

Verified:

10/16/2001 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

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 (L.) P. Beauv. ex Roem. & Schult. subsp. uninervia (J. Presl) 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

No images

Conservation Status

Reference(s)

Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan. Note: lists as Diplachne fusca (L.) P. Beauv.
Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon. Note: lists as Diplachne fusca (L.) P. Beauv.
Exell, A. W. et al., eds. 1960-. Flora zambesiaca. Note: = Leptochloa fusca (L.) Kunth
Foreman, D. B. & N. G. Walsh. 1993-. Flora of Victoria.
Gibbs-Russell, G. E. et al. 1990. Grasses of southern Africa. Mem. Bot. Surv. S. Africa vol. 58
Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: = Leptochloa fusca (L.) Kunth
Koyama, T. 1987. Grasses of Japan and its neighboring regions Note: lists as Diplachne fusca (L.) P. Beauv.
Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
Nasir, E. & S. I. Ali, eds. 1970-. Flora of [West] Pakistan.
Nowack, R. 1994. Revision of Leptochloa Beauv. (incl. Diplachne Beauv.) (Poaceae) in Malesia. Rheedea 4:84. Note: = Leptochloa malabarica (L.) Veldkamp
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.
Snow, N. & G. Davidse. 1998. (1330) Proposal to reject the name Poa malabarica (Gramineae). Taxon 47:157-159. Note: = Leptochloa fusca (L.) Kunth
Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: lists as Diplachne fusca (L.) Stapf
Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47 Note: = Diplachne malabarica (L.) Merr.

Common names

Language	Name	Alternate name	note	seq	Citation
English	brown beetle grass		as Leptochloa fusca	1	Botanical Society of the British Isles. BSBI taxon database (on-line resource).

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Africa	East Tropical Africa	Kenya
1	Native	Africa	East Tropical Africa	Tanzania
1	Native	Africa	East Tropical Africa	Uganda
1	Native	Africa	Northeast Tropical Africa	Ethiopia			Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000
1	Native	Africa	Northeast Tropical Africa	Somalia			Thulin, M., ed. 1993-. Flora of Somalia.
1	Native	Africa	Northeast Tropical Africa	Sudan
1	Native	Africa	Northern Africa	Egypt
1	Native	Africa	South Tropical Africa	Angola
1	Native	Africa	South Tropical Africa	Malawi			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	South Tropical Africa	Mozambique			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	South Tropical Africa	Zambia			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	South Tropical Africa	Zimbabwe			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	Southern Africa	Botswana			Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
1	Native	Africa	Southern Africa	Eswatini
1	Native	Africa	Southern Africa	Lesotho
1	Native	Africa	Southern Africa	Namibia			Plants of southern Africa: an online checklist.
1	Native	Africa	Southern Africa	South Africa			Plants of southern Africa: an online checklist.
1	Native	Africa	West-Central Tropical Africa	Cameroon
1	Native	Asia-Temperate	China	China			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Eastern Asia	Japan
1	Native	Asia-Temperate	Eastern Asia	Taiwan			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indian Subcontinent	India			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indian Subcontinent	Sri Lanka			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indo-China	Cambodia
1	Native	Asia-Tropical	Indo-China	Laos
1	Native	Asia-Tropical	Indo-China	Myanmar			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indo-China	Thailand			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Indo-China	Vietnam			Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan. Note: = Diplachne fusca (L.) P. Beauv.
1	Native	Asia-Tropical	Malesia	Indonesia			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Malesia	Malaysia
1	Native	Asia-Tropical	Malesia	Philippines			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Tropical	Papuasia	Papua New Guinea
1	Native	Australasia	Australia	Australia	New South Wales		George, A. S., ed. 1980-. Flora of Australia.
1	Native	Australasia	Australia	Australia	Northern Territory		George, A. S., ed. 1980-. Flora of Australia.
1	Native	Australasia	Australia	Australia	Queensland		George, A. S., ed. 1980-. Flora of Australia.
1	Native	Australasia	Australia	Australia	South Australia		George, A. S., ed. 1980-. Flora of Australia.
1	Native	Australasia	Australia	Australia	Victoria		George, A. S., ed. 1980-. Flora of Australia.
1	Native	Australasia	Australia	Australia	Western Australia		George, A. S., ed. 1980-. Flora of Australia.
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	Oklahoma		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	Connecticut		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana	n. & s.w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan	s.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia	w.	FNA Editorial Committee. 1993-. Flora of North America.
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	Coahuila de Zaragoza
1	Native	Northern America	Northern Mexico	Mexico	Durango
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa
1	Native	Northern America	Northern Mexico	Mexico	Sonora
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas
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	Idaho	s.w.	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana	n.-c.	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	Northwestern U.S.A.	United States	Washington		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming	s.e.	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	Arkansas		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	Kentucky		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	Maryland		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	South Carolina	e.	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	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo
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	Nevada		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			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Caribbean	Antigua and Barbuda	Antigua
1	Native	Southern America	Caribbean	Bahamas			Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Caribbean	Cuba			Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Caribbean	Guadeloupe
1	Native	Southern America	Caribbean	Hispaniola			Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Caribbean	Jamaica			Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Caribbean	Martinique
1	Native	Southern America	Caribbean	United States	Puerto Rico		Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Caribbean	United States	Virgin Islands, U.S.		Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
1	Native	Southern America	Central America	Belize			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Central America	Costa Rica			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Central America	Honduras			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Central America	Nicaragua			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Northern South America	Venezuela
1	Native	Southern America	Southern South America	Argentina
1	Native	Southern America	Southern South America	Chile			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Southern South America	Paraguay			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Southern South America	Uruguay			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Western South America	Bolivia			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Western South America	Colombia			Giraldo-Cañas, D. 2011. Catálogo de la familia Poaceae en Colombia. Darwiniana 49:139-247.
1	Native	Southern America	Western South America	Ecuador			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
1	Native	Southern America	Western South America	Peru			Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.

Native
Africa

NORTHERN AFRICA: Egypt
NORTHEAST TROPICAL AFRICA: Ethiopia, Sudan, Somalia
EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
WEST-CENTRAL TROPICAL AFRICA: Cameroon
SOUTH TROPICAL AFRICA: Angola, Mozambique, Malawi, Zambia, Zimbabwe
SOUTHERN AFRICA: Botswana, Lesotho, Namibia, Eswatini, South Africa

Asia-Temperate

CHINA: China
EASTERN ASIA: Japan, Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: India, Sri Lanka, Pakistan
PAPUASIA: Papua New Guinea
INDO-CHINA: Cambodia, Laos, Myanmar, Thailand, Vietnam
MALESIA: Indonesia, Malaysia, Philippines

Australasia

AUSTRALIA: Australia [New South Wales, Queensland, South Australia, Victoria, Western Australia, Northern Territory]

Northern America

NORTHEASTERN U.S.A.: United States [Connecticut, Indiana (n. & s.w.), Maine, Massachusetts, Michigan (s.), New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia (w.)]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho (s.w.), Montana (n.-c.), Oregon, Washington, Wyoming (s.e.)]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina (c.), South Carolina (e.), Tennessee, Virginia]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Baja California (Norte), Baja California Sur, Chihuahua, Coahuila de Zaragoza, Durango, San Luis Potosí, Sinaloa, Sonora, Zacatecas]
SOUTHERN MEXICO: Mexico [Guanajuato, Hidalgo, Jalisco, México, Morelos, Nayarit, Oaxaca]

Southern America

CARIBBEAN: Hispaniola, Antigua and Barbuda [Antigua], Bahamas, Cuba, Guadeloupe, Jamaica, Martinique, United States [Puerto Rico, Virgin Islands, U.S.]
CENTRAL AMERICA: Belize, Costa Rica, Honduras, Nicaragua
NORTHERN SOUTH AMERICA: Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Argentina, Chile, Paraguay, Uruguay

Reference(s)

Plants of southern Africa: an online checklist.
Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource). Note: includes subspecies fascicularis and uninervia
Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan. Note: = Diplachne fusca (L.) P. Beauv.
Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
FNA Editorial Committee. 1993-. Flora of North America.
George, A. S., ed. 1980-. Flora of Australia.
Giraldo-Cañas, D. 2011. Catálogo de la familia Poaceae en Colombia. Darwiniana 49:139-247.
Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000
Peterson, P. M. et al. 2001. Catalogue of New World grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41:132.
Thulin, M., ed. 1993-. Flora of Somalia.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Note	Reference
Weed		as Leptochloa fusca	CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: four books on weeds worldwide in scope

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=14348. Accessed 12 May 2026.