Digitaria filiformis (Linnaeus) Koeler var. filiformis . Slender Crabgrass. Phen: Mar-Dec. Hab: Pine flatwoods, longleaf pine sandhills, fields, roadsides, disturbed areas. Dist: Widespread in e. North America.

Origin/Endemic status: Native

Taxonomy Comments: Var. laeviglumis (Fernald) J. Wipff, with glabrous spikelets, is a narrow endemic in NH.

Synonymy: = Ar, C, ETx1, F, G, Mo1, NY, RAB, Va, WH3, Wipff (1996b); = Digitaria filiformis (L.) Koeler – HC, K1; = Syntherisma filiformis (L.) Nash – S; < Digitaria filiformis (L.) Koeler – Il, Mi, NcTx, Pa, Tn, Tx, W, WV; < Digitaria filiformis (L.) Koeler var. filiformis – FNA25, K3, K4

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