A narrow endemic of Starr and Zapata counties in extreme southern Texas. Known from only 5 sites.
herbicides highway maintenence exotics - buffelgrass grazing residential development, alteration of native habitat to improved pastures, infrastructure and urban development, oil and gas development and overgrazing, the extreme rareness of the plant,
annual, dramatic population fluctuations from year to year 3-4 populations known from South Texas 10,000 individuals (in a good year) in 3 unprotected populations. Currently known from only four populations in Starr and Zapata Counties in southern Texas.
Be the first to post an update!