Portulaca umbraticola subsp. lanceolata J.F. Matthews & Ketron Portulaca umbraticola subsp. lanceolata J.F. Matthews & Ketron in Castanea 56(4): 305. 1992 ["1991"] sec. Ocampo Acosta 2011=Monardella lanceolata A. Gray in Proc. Amer. Acad. Arts 11: 102. 1876 syn. sec. Govaerts 2013