Taxon: Panicum trichoides Sw.

Summary

Genus:

Panicum

Family:

Poaceae (alt. Gramineae)

Subfamily:

Panicoideae

Tribe:

Paniceae

Subtribe:

Panicinae

Nomen number:

103644

Place of publication:

Prodr. 24. 1788

Verified:

10/07/1999 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

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

No images

Conservation Status

Reference(s)

Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
Adams, C. 1972. Flowering plants of Jamaica
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
Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
FNA Editorial Committee. 1993-. Flora of North America.
Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
Foxcroft, L. C. et al. 2010. Alien plant invasions in tropical and sub-tropical savannas: patterns, processes and prospects. Biol. Invas. 12:3913-3933.
George, A. S., ed. 1980-. Flora of Australia.
Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
Hitchcock, A. S. 1927. Grasses of Ecuador, Peru, and Bolivia. Contr. U.S. Natl. Herb. 24:291-556.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
Roder, W. et al. 1996. Weeds in slash-and-burn rice fields in northern Laos. Weed Res. 99-231.
Tovar, Ó. 1993. Las gramíneas (Poaceae) del Perú. Ruizia 13:317-318.
Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
Veldkamp, J. F. 1996. Revision of Panicum and Whiteochloa in Malesia (Gramineae-Paniceae). Blumea 41:207.
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47
Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.

Common names

Language	Name	seq	Citation
English	masher grass	1	Veldkamp, J. F. 1996. Revision of Panicum and Whiteochloa in Malesia (Gramineae-Paniceae). Blumea 41:207.
English	small-flower panic grass	1	FNA Editorial Committee. 1993-. Flora of North America.
English	tickle grass	1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Durango		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Sonora		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Campeche		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Colima		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	México		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Morelos		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Nayarit		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Quintana Roo		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Tabasco		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Northern America	Southern Mexico	Mexico	Yucatán		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
1	Native	Southern America	Brazil	Brazil	Acre		Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
1	Native	Southern America	Brazil	Brazil	Goiás		Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
1	Native	Southern America	Brazil	Brazil	Maranhão		Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
1	Native	Southern America	Brazil	Brazil	Mato Grosso		Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
1	Native	Southern America	Brazil	Brazil	Minas Gerais		Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
1	Native	Southern America	Brazil	Brazil	Pará		Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
1	Native	Southern America	Brazil	Brazil	Rio de Janeiro		Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
1	Native	Southern America	Brazil	Brazil	Rondônia		Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
1	Native	Southern America	Caribbean	Antigua and Barbuda			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Bahamas			Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
1	Native	Southern America	Caribbean	Barbados			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Cuba			León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
1	Native	Southern America	Caribbean	Dominica			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Grenada			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Guadeloupe			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Jamaica			Adams, C. 1972. Flowering plants of Jamaica
1	Native	Southern America	Caribbean	Martinique			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Montserrat			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	St. Kitts and Nevis			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	St. Lucia			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	St. Vincent and Grenadines			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	United States	Puerto Rico		Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
1	Native	Southern America	Central America	Belize			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Costa Rica			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	El Salvador			Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.
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	Nicaragua			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Panama			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Northern South America	French Guiana			Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Guyana			Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Suriname			Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
1	Native	Southern America	Northern South America	Venezuela			Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.
1	Native	Southern America	Southern South America	Argentina	Jujuy		Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47
1	Native	Southern America	Southern South America	Argentina	Salta		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Western South America	Bolivia			Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.
1	Native	Southern America	Western South America	Ecuador			Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.
1	Native	Southern America	Western South America	Peru			Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.
4	Naturalized			Asia			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Africa		Africa			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Africa	East Tropical Africa	Uganda			Foxcroft, L. C. et al. 2010. Alien plant invasions in tropical and sub-tropical savannas: patterns, processes and prospects. Biol. Invas. 12:3913-3933.
4	Naturalized	Asia-Temperate	China	China	Guangdong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Temperate	China	China	Hainan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Laos			Roder, W. et al. 1996. Weeds in slash-and-burn rice fields in northern Laos. Weed Res. 99-231.
4	Naturalized	Australasia	Australia	Australia	Northern Territory	n.	George, A. S., ed. 1980-. Flora of Australia.
4	Naturalized	Australasia	Australia	Australia	Queensland	n.	George, A. S., ed. 1980-. Flora of Australia.
4	Naturalized	Australasia	Australia	Australia	Western Australia	n.	George, A. S., ed. 1980-. Flora of Australia.
4	Naturalized	Northern America	South-Central U.S.A.	United States	Texas

Native
Northern America

NORTHERN MEXICO: Mexico [Baja California (Norte), Baja California Sur, Chihuahua, Durango, San Luis Potosí, Sinaloa, Sonora, Tamaulipas, Zacatecas]
SOUTHERN MEXICO: Mexico [Campeche, Chiapas, Colima, Guerrero, Jalisco, México, Michoacán de Ocampo, Morelos, Nayarit, Oaxaca, Puebla, Querétaro, Quintana Roo, Tabasco, Veracruz de Ignacio de la Llave, Yucatán]

Southern America

CARIBBEAN: Antigua and Barbuda, Bahamas, Barbados, Cuba, Dominica, Guadeloupe, Grenada, Jamaica, St. Kitts and Nevis, St. Lucia, Montserrat, Martinique, United States [Puerto Rico], St. Vincent and Grenadines
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, El Salvador
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
BRAZIL: Brazil [Acre, Goiás, Maranhão, Mato Grosso, Minas Gerais, Pará, Rio de Janeiro, Rondônia]
WESTERN SOUTH AMERICA: Bolivia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Argentina [Jujuy, Salta]

Naturalized

REGION:

Africa

EAST TROPICAL AFRICA: Uganda
REGION: Africa

Asia-Temperate

CHINA: China [Guangdong Sheng, Hainan Sheng]

Asia-Tropical

INDO-CHINA: Laos

Australasia

AUSTRALIA: Australia [Queensland (n.), Western Australia (n.), Northern Territory (n.)]

Northern America

SOUTH-CENTRAL U.S.A.: United States [Texas]

Reference(s)

Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
Adams, C. 1972. Flowering plants of Jamaica
Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
Dane, F. & P. Lang. 2004. Sequence variation at cpDNA regions of watermelon and related wild species: implications for the evolution of Citrullus haplotypes. Amer. J. Bot. 91:1922-1929. Note: this study included two Namibian samples of the perennial Citrullus ecirrhosus; a 127bp deletion was detected and it was shown to be shared with C. lanatus
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
Foxcroft, L. C. et al. 2010. Alien plant invasions in tropical and sub-tropical savannas: patterns, processes and prospects. Biol. Invas. 12:3913-3933.
George, A. S., ed. 1980-. Flora of Australia.
Görts-van Rijn, A. R. A., ed. 1986-. Flora of the Guianas.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
Roder, W. et al. 1996. Weeds in slash-and-burn rice fields in northern Laos. Weed Res. 99-231.
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:852. DOI: 10.1016/j.mb.2016.06.017.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47
Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:426.

Economic Uses

Usage	Type	Note	Reference
Weed			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://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=103644. Accessed 30 October 2026.