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

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

• (=) Digitaria humifusa Pers.
• (=) Panicum glabrum (Schrad.) Gaudin
• Basionym: Panicum ischaemum Schreb.
• (=) Syntherisma humifusum (Pers.) Rydb.
• (≡) Syntherisma ischaemum (Schreb.) Nash

Common names:

• small crabgrass  (Source: Websters Dict) - English
• smooth crabgrass  (Source: World Econ Pl) - English
• smooth finger grass  (Source: BSBI) - English
• smooth summer grass  (Source: Aust Pl Common Names) - English
• smooth crab grass  (Source: ICAW) - English (Canada)
• digitaire astringente  (Source: ICAW) - French (Canada)
• kahle Fingerhirse  (Source: Dict Rehm) - German

Economic Importance:

• Animal food: forage
• Weed: potential seed contaminant (fide Geigy Weed Tables. 1968)

Distributional Range:

Native

Asia-Temperate

• WESTERN ASIA: Iran, Turkey (n.e.)
• CAUCASUS: Armenia, Azerbaijan, Georgia, Russian Federation, [Dagestan] Russian Federation-Ciscaucasia [Ciscaucasia]
• SIBERIA: Russian Federation-Eastern Siberia, [Eastern Siberia] Russian Federation-Western Siberia [Western Siberia]
• MIDDLE ASIA: Kazakhstan, Kyrgyzstan, Uzbekistan
• RUSSIAN FAR EAST: Russian Federation-Far East [Far East]
• CHINA: China [Heilongjiang Sheng, Hebei Sheng, Gansu Sheng, Jilin Sheng, Liaoning Sheng, Shanxi Sheng, Shaanxi Sheng, Sichuan Sheng, Nei Mongol Zizhiqu, Xinjiang Uygur Zizhiqu, Xizang Zizhiqu]
• EASTERN ASIA: Japan (n.)

Asia-Tropical

• INDIAN SUBCONTINENT: Pakistan (n.)

Europe

• NORTHERN EUROPE: Norway
• MIDDLE EUROPE: Austria, Czech Republic, Hungary, Poland, Slovakia
• EASTERN EUROPE: Belarus, Estonia, Moldova, Russian Federation, [Astrakhan, Saratov, Volgograd] Russian Federation-European part, [European part (s.)] Ukraine (incl. Krym)
• SOUTHEASTERN EUROPE: Albania, Bulgaria, Croatia, Italy, Romania, Slovenia
• SOUTHWESTERN EUROPE: France (incl. Corsica), Portugal, Spain


Naturalized

Asia-Tropical

• INDIAN SUBCONTINENT: Bhutan

Australasia

• AUSTRALIA: Australia [New South Wales (e.), South Australia (s.e.), Victoria]

Northern America

• Canada, Mexico, United States

Southern America

• CARIBBEAN: Hispaniola, United States [Puerto Rico, Virgin Islands, U.S.]
• SOUTHERN SOUTH AMERICA: Chile

References:

1. Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
2. Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan.
3. Botanical Society of the British Isles. BSBI taxon database (on-line resource).
4. Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
5. CIBA-GEIGY, Basel, Switzerland. 1974. The CIBA-GEIGY Weed Tables
6. Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 42.
7. Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands.
8. Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
9. FNA Editorial Committee. 1993-. Flora of North America.
10. Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
11. Hitchcock, A. S. 1950. Manual of the grasses of the United States, ed. 2.
12. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
13. Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
14. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. Note: with two varieties
15. Koyama, T. 1987. Grasses of Japan and its neighboring regions
16. Nasir, E. & S. I. Ali, eds. 1970-. Flora of [West] Pakistan.
17. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
18. Rechinger, K. H., ed. 1963-. Flora iranica.
19. Rehm, S. 1994. Multilingual dictionary of agronomic plants
20. 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).
21. Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:128. Note: lists as Digitaria ischaemum (Schreb.) Muehl.
22. Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
23. Tzvelev, N. N. 1976. Zlaki SSSR
24. Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365-382.
25. Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123.
26. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
27. Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:204.
28. 1961. Webster's third new international dictionary.
29. AusGrass2 (on-line resource). URL: http://ausgrass2.myspecies.info/content/digitaria-ischaemum target='_blank'

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=14029. Accessed 1 July 2024.