Schkuhria schkuhrioides (Link & Otto) Thell.

Tetracarpum schkuhrioides (Link & Otto) Rydberg
Achyropappus schkuhrioides Link & Otto, Ic. PI. Rar. pi. 30. 1829.
Bahia schkuhrioides A. Gray, Proc. Am. Acad. 19: 27. 1883.
Schkuhria senecioides Nees, Del. Sem. Hort. Bonn. 1831.— DC. Prodr. 5: 654, as synonym. 1836.
Schkuhria schkuhrioides Thellung, Repert. Sp. Nov. 11: 308. 1912.
A slender annual; stem erect, 3-6 dm. high, glabrate, strongly grooved; leaves alternate, 3-7 cm. long, bipinnatifid into linear or linear-filiform divisions, glabrous or nearly so, impressedpunctate ; involucre turbinate, 5 mm. long, 6 mm. broad, glabrous, glandular-punctate; bracts 6-8,obovate, with yellow scarious margins and tips, subtended by 1-3 smaller ones; ligules 1-4, broadly oblong or cuneate, 4 mm. long; disk-corollas many, 3 mm. long; achenes narrowly obpyramidal, 3 mm. long, hispidulous on the angles; squamellae obovate, 6.5 mm. long, slightly thickened on the back; without distinct costa.
Type locality: Mexico.
Distribution: Central and southern Mexico.