Xanthisma spinulosum var. spinulosum (Pursh) D.R. Morgan & R.L. Hartm.
Asteraceae
Turner, Billie Lee (2006)
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William R. Carr
12789
1993-05-20
1993-5-20
United States, Texas, Taylor, 500-1000 ft. NW of main road, 0.2-0.3 mi. SW of entrance gate, Camp Barkely (National Guard), ca. 1.5 airmiles SE to ESE of jct. F. M. 1235 and U.S. Rt.. 277. buffalo Gap Quadrangle.
Rare in red sandy clay in mesquite-sumac woodland and mid to shortgrass grassland, nearly level area underlain by Permian strata. Associates include Prosopis glandulosa, Ziziphus obtusifolius, Rhus microphylla, Juniperus sp., Buchloe dactyloides, Bouteloua rigidiseta, Stipa leucotricha, Gaillardia pulchella, Cyschoriste linearis, Hymenopappus scaniosaeus, Croton pottsii, Aphanostephus sp.