University of California, Riverside Plant Herbarium (UCR)
UCR0037471
UCR-BPS-33251
UCR-33251
Mentzelia oreophila J. Darlington
Loasaceae
John J. Schenk (2007 Nov 29)
James Henrickson
17161
1978-05-14
1978-5-14
United States, California, San Bernardino, 60 air miles northeast of Barstow, 4 miles northwest of Avawatz Pass and 0.5 mile west of Arrastre Spring, at end of road
35.55917 -116.43639
1159 meters (3802ft)
Rocky granitic slopes with Hymenoclea, Yucca brevifolia, Grayia, Opuntia, Eurotia, Larrea, Stipa, Encelia, etc.