Digitaria ciliaris (Retzius) Koeler. Southern Crab Grass. Phen: Aug-Oct (-Jul). Hab: Sandy fields, roadsides, and disturbed areas. Dist: MA, se. NY, OH, IN, IL, IA, NE, s. UT and s. CA south into Mexico, Central America, South America, and the West Indies. At least some of the northern distribution is likely adventive.

Origin/Endemic status: Native

Synonymy: = Ar, Bah, C, ETx1, FlGr, FNA25, Il, K1, K3, K4, Mo1, NcTx, NY, Pa, Tn, Va, WH3, Webster (1987); = Digitaria sanguinalis (L.) Scop. var. ciliaris (Retz.) Parl. – F, HC; = Syntherisma fimbriatum (Link) Nash – S13; ? Digitaria adscendens (Kunth) Henrard – SFla, Tx; < Digitaria sanguinalis (L.) Scop. – RAB, Tat

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU
• Eastern Mountains and Piedmont: FAC
• Great Plains: FACU
• Midwest: FACU
• Northcentral & Northeast: FACU

Heliophily: 9