4b. var. octoflora
F. octoflora var. aristulata L.H. Dewey
Spikelets 5.5–10.0 mm long (excluding the awns), mostly with
less than 9 florets. Lemmas with the body 3.5–6.5 mm long, the awn 2.5–9.0 mm
long. 2n=14. April–June.
Common to scattered in the southern half of the state
(nearly throughout the U.S. and adjacent Canada and Mexico, most commonly in
the southern U.S.). Dry upland forests, glades, and prairies, usually on acidic
substrates; also pastures, fallow fields, mine spoils, roadsides, railroads,
and open, dry, disturbed areas.