Brigham Young University, S. L. Welsh Herbarium (BRY:V)
BRYV0170327
BRY:V:0170327
Asclepias macrosperma Eastw.
Apocynaceae
Arnold Clifford
01-411
2001-05-23
2001-5-23
K. Heil
U.S.A., Arizona, Navajo, W. Little Capitan Valley; ca. 6.25 miles northeast of Kayenta; 5 miles southeast of Agathla Volcanic Plug.
T39N R20E S22 .
1722 meters
5650 ft.
Sand dune and sand sheet deposited up against the west face of Porras basaltic dike. Eolian derived sandy soils. Purple Sage, Culter Ephedra community.