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

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

• (=) Panicum helopus Trin.
• (=) Urochloa helopus (Trin.) Stapf

Common names:

• liverseed grass  (Source: State Noxweed Seed) - English
• sharp-flower signal grass  (Source: BSBI) - English
• urochloa grass  (Source: Aust Pl Common Names) - English

Economic Importance:

• Weed: potential seed contaminant;

Distributional Range:

Native

Africa

• NORTHEAST TROPICAL AFRICA: Eritrea, Ethiopia, Somalia, Sudan
• EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
• SOUTH TROPICAL AFRICA: Malawi, Mozambique, Zambia, Zimbabwe

Asia-Temperate

• ARABIAN PENINSULA: Yemen

Asia-Tropical

• INDIAN SUBCONTINENT: India, Pakistan


Naturalized

Africa

• SOUTHERN AFRICA: Botswana, Namibia, South Africa

Australasia

• AUSTRALIA: Australia
• NEW ZEALAND: New Zealand

Northern America

• SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
• SOUTHWESTERN U.S.A.: United States [Arizona]
• Mexico

Southern America

• CARIBBEAN: Cuba
• SOUTHERN SOUTH AMERICA: Argentina

References:

1. Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
2. Botanical Society of the British Isles. BSBI taxon database (on-line resource).
3. Catasús Guerra, L. J. 2002. Las gramíneas (Poaceae) de Cuba, II. Cavanillesia Altera 3:1-163.
4. Exell, A. W. et al., eds. 1960-. Flora zambesiaca.
5. FNA Editorial Committee. 1993-. Flora of North America.
6. Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). URL: http://ecocrop.fao.org/ecocrop/srv/en/cropListDetails?code=&relation=beginsWith&name=Urochloa+panicoides&quantity=1 target='_blank'
7. Gibbs-Russell, G. E. et al. 1990. Grasses of southern Africa. Mem. Bot. Surv. S. Africa vol. 58
8. Holm, L. et al. 1979. A geographical atlas of world weeds
9. Howell, C. J. & J. W. D. Sawyer. 2006. New Zealand naturalised vascular plant checklist
10. Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
11. Morrone, O. & F. O. Zuloaga. 1992. Revisión de las especies sudamericanas nativas e introducidas de los géneros Brachiaria y Urochloa (Poaceae: Panicoideae: Paniceae). Darwiniana 31:93-95.
12. Nasir, E. & S. I. Ali, eds. 1970-. Flora of [West] Pakistan.
13. Plant Protection and Quarantine Office. United States Department of Agriculture, Animal and Plant Health Inspection Service. Federal noxious weed list (on-line resource).
14. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
15. Randall, R. P. 2007. The introduced flora of Australia and its weed status.
16. Seed Regulatory and Testing Division, Agricultural Marketing Service, U.S.D.A. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act (updated annually).
17. Thulin, M., ed. 1993-. Flora of Somalia.
18. Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
19. Veldkamp, J. F. 1996. Brachiaria, Urochloa (Gramineae - Paniceae) in Malesia. Blumea 41:433. Note: mentions
20. Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123.
21. Wipff, J. K. et al. 1993. The genus Urochloa (Poaceae: Paniceae) in Texas, including one previously unreported species for the state. Sida 15:409.
22. Zon, A. P. M. van der. 1992. Graminées du Cameroun
23. Plants of southern Africa: an online checklist. Note: introduced

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://gringlobal.iita.org/gringlobal/taxonomydetail.aspx?id=40914. Accessed 1 July 2024.