Muhlenbergia flaviseta Scribn.

Muhlenbergia flaviseta .Scribn. Bull. U. .S. Dep. Agr. Agrost 8: 11. 1897.
Perennial, rather loosely tufted, the base scaly or rhizomatous; culras slender, erect or aiicending, glabrous, naked above, 1 5-30 cm. tall, the nodes near the base; sheaths glabrous, the lower short and overlapping; ligule a short ciliate border, the upperraost about 0.5 mm. long with longer appendages at the sides, the lower ones shorter; blades flat, .sometimes folded. especially toward the tip, scabrous on the upper surface and the white margins, mostly basal, the uppermost about one-fourth the distance from the base, attenuate at tip, 2-10 cm. long, 1-3 mm. wide; panicle condensed, ovoid or elliptic, yellowish brown or bronze, 2-5 cm. long, the axis angled, scaberulous, the branches scabrous-puberulent, appressed or ascending (more spreading in anthesis), the lower as much as 2 cm. long, floriferous from near the base, the pedicels pubescent; glumes unequal, rather broad, glabrous or nearly so, 1 -nerved, the first 1.5-2 mm. long, the second 3.5-4 mm. long; lemma narrow, scaberulous, about 4 mm. long, the awn slender, scaberulous, slightly fiexuous, yellow, 1-1.5 cm. long.
Type locality: Durango. Mexico (Palmer S34 in 1896). Distribution: Known only from the type locality.

Muhlenbergia flaviseta là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Scribn. mô tả khoa học đầu tiên năm 1897.