Arizona State University Vascular Plant Herbarium (ASU:Plants)
ASU0092211
f456577f-b9e3-4c02-978c-d05d00a79163
185010
Echinocactus polycephalus var. polycephalus Engelm. & Bigelow
Cactaceae
Michael Chamberland
1
1990-07-25
Jon Rebman, Charlotte Christy
USA, Arizona, Yuma, Ligurta; Red Top Wash; east of Gila Mountains; west of railroad tracks; dirt road along old route of the Butterfield Stage (canal access road)
See boxed specimen; few scattered individuals; only 2 found in area; with some late buds (July); 24 heads to the clump; largest head 10 inches in diameter including spines; clump 28 inches in diameter including spines; number of ribs per head on following sides of clump: N:13, S:13, E:12, W:13, Center:15