Wilcoxia poselgeri (Lem.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 434. 1909 Wilcoxia poselgeri (Lem.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 434. 1909Taxon for this nameWilcoxia poselgeri (Lem.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 434. 1909