United States, Texas, Refugio, SW side of main road through NW part of Northwest Runner Pasture on Welder Ranch, ca. 0.6 airmiles SE of S tip of North St. Nicholas Lake. Vidaurri Quadrangle.
28.4551 -97.20013
Common in sparingly vegetated spots in claypan savanna vegatation dominated by Isocoma drummondii and Sporobolus pyramidatus, on slightly saline tight soil mapped as Orelia fine sandy loam. Associates include Aristida longespica, A. oligantha, Desmanthus virgatus, Echinocactus texensis, Grindelia oolepis, Iva angustifolia, Lycium carolinianum, Polygonum ramosissimum, Psilactis heterocarpa, Spartina spartinae, and Tridens congestus.