Protologue Description: Var. cinerescens, var. nov., caulis internodiis cinereo-puberulis; calycis laciniis dorso cinereo-pulverulentibus margine villoso-ciliatis.-NORTHWESTERN FLORIDA: WALTON CO.: dry open woods Crestview, July 22, 1899, A.H. Curtiss, no. 6489 in part. distrib. as R. humilis (MO, NY, US (TYPE in U.S. Nat. Herb.)). ESCAMBIA CO.: Fisherville, near Pensicola, June 17, 1905, J.M. Macfarlane (Pa).