United States, Arizona, Mohave, Grand Canyon-Parashant Natl Monument; Andrus Canyon; 1-4 mi above rd crossing in wash bottom. Also T33N, R11W, S24, 25 & 36
36.245096 -113.423893 +-1140m. WGS84
TRS: T32N R11W sec 1
in wash bottom; desert shrub comm
closest to P. arizonica; ISOTYPE of Physaria arizonica var. andrusensis n.D. Atwood, S.L. Welsh & L.C. Higgins, var nov. rhodora 109(940): 402-405. 2007