Bidens pilosa L.

CA
313
MEXICO:	STATE OF OAXACA
Bidens pilosa	n = 36II
Hwy. 175; 21.9 mi north.of jet. with Hwy. 190. North of El Cerezal.
Flat area on top of mountain. "Rays" fertile. With 71 -180B, rays larger,
n = 12.
Thomas E. Melchert, R. Ballard, C. Hart No. 71-180A
Taxonomic Studies in the Coreopsidinae 19 Oct 1971
Herbarium of The University of Iowa
02831430