Xanthisma spinulosum var. spinulosum (Pursh) D.R. Morgan & R.L. Hartm.
Asteraceae
Turner, Billie Lee (2006)
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William R. Carr
18209
1999-05-11
1999-5-11
United States, Texas, Randall, CaƱoncita Ranch; along upper part of abandoned road leading to South City Creek, ca. 1.0-1.1 airmiles ESE of HQ complex, ca. 0.9-1.0 airmiles SW of confluence of North and South Cita creeks. Fortress Cliff Quadrangle.
34.87833 -101.63889
Rare in shrublands on steep rocky clay slopes below Trujillo Sandstone cap of mesa. Associates include Juniperus monosperma, Rhus aromatica, Dalea formosa.