plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line.
plants on gypsum mineralized silty clay of bolson playa with halophytic/gypsophilous grasses, forbs & small shrubs; inc. Strotheria, Frankenia, Dicranocarpus, Isocoma, Haploesthes,Tiquilia and Atriplex.