William R. Carr|Terri Siegenthaler|John P. Karges|et al.
23958
2005-05-31
2005-5-31
United States, Texas, Jeff Davis, Along jeep road in Willow Creek valley upstream (W of) Willow Spring. Cherry Canyon Ranch. Buckhorn Mountain Quadrangle.
30.87719 -104.07344
Stems prostrate; occasional in mountain grassland / erstwhile cattle pasture dotted with Mimosa, in stony soils derived from rhyolite on rocky but fairly level upland bench well above valley bottom. Associates include Aristida sp., Mimosa sp., small Prosopis glandulosa, Croton pottsii, Berlandiera lyrata, Simsia calva, Zinnia sp.