Wigginsia tephracantha var. depressa (Speg.) D.M.Porter in Taxon 13(6): 210. 1964 Wigginsia tephracantha var. depressa (Speg.) D.M.Porter in Taxon 13(6): 210. 1964Taxon for this nameWigginsia tephracantha var. depressa (Speg.) D.M.Porter