[Note: Subspecies not indicated by Goodson, 2007, who uses subsp. in this species when identifiable.]
Martin G. Ettlinger
s.n.
1960-04-18
1960-4-18
United States, Texas, Terry, Brownfield.
Scattered individual plants 8-12 inches high growing in sandy loam. Leaves have distinct gray cast. Voucher specimen for biochemical studies by Dr. M. G. Ettlinger, Rice Inst. Glucosinolate side chains: Seed and root H2C-CHCH2 (dominant), H2C=CH(CH2)2 (only traces in root).