Nama havardii A. Gray的圖片
描述：
on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
