Pseudobahia peirsonii Munz的圖片

描述：

Conversion of natural habitat to residential development is the primary threat to San Joaquin adobe sunburst. In addition, road maintenance projects, recreational activities, competition from nonnative plants, agricultural land development, incompatible grazing practices, a flood control project, transmission line maintenance and other human impacts also may threaten the species. This species was listed as endangered by the California Department of Fish and Game in January 1987. Federal Status: Threatened, 1997. The California Native Plant Society has placed it on List 1B (rare or endangered throughout its range).