-
Canyon bottom among coarse gravels and boulders of rhyolitic tuff along creek bank
-
-
-
Uncommon white-flowered individual.
-
-
-
in closed sandy drainage swales on gentle slope of exposed rhyolitic tuff
-
-
Slo.: predalpska grebenusa
-
low clumping perennial in calcareous-gypseous silty clay soils at road side on desert creosote flats.
-
-
roadside grasses and forbs
-
-
Slo.: zanjevec
-
Plants on vertical north face of roadcut in blocky Cretaceous limestone with Penstemon baccharifolius, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
-
note upper cauline leaves (larger below. Plant)among of lower canyon rubble of volcanic tuffaceous gravels & boulders
-
small, erect stemmed, herbaceous plants with acicular foliage nestled among large rocks at the edge of a broad, gravelly ridge of platy Cretaceous limestone and shale.
-
weathered volcanic tuffaceous soil on undulating plateau between Barranca Urique and Batopilas, elev. 6673'. Note whorled linear leaves
-
-
Canyon bottom among coarse gravels and boulders of rhyolitic tuff along creek bank
-
-
This is from the general collection area of 1985 A. Tiehm, NY specimen ID 01002359
-
Uncommon white-flowered individual.
-