10. DIGITARIA SIMILIS Beetle ex Gould, J. Arnold Arbor. 60 (2): 320. 1979.

Trichachne affinis Swallen, Rhodora 65: 355. 1963. Digitaria affinis Opiz ex Bercht., Oekon. -techn. Fl. Böhm. 1: 500. 1836 non Roem. & Schult. 1817.

— TYPE: REPÚBLICA DOMINICANA. Santiago: Valle del Cibao, roadsides at Quinigua, 21 Oct 1930, Ekman s. n., Bot. Mus. Stockholm 16090 (holotype: US 1556826!; isotypes: BAA –3313!, SI!) .

Iconography — Vega and Rúgolo de Agrasar (2012: 305).

Geographical Distribution and Ecology — Dominican Republic, Caribbean, El Salvador, Guatemala, Panama, Colombia, Venezuela, Brazil, Peru, Bolivia, Paraguay, and Argentina. Occurs along roadsides in disturbed areas, in sandy clay lands and in river and stream shores from sea level to 2,500 m.