Pinaropappus, common name rocklettuce, is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae, native to Mesoamerica and the southwestern United States.Lessing, Christian Friedrich. 1832. Synopsis Generum Compositarum 143 in LatinTropicos, Pinaropappus Less.Flora of North America Vol. 19, 20 and 21 Page 374, Rocklettuce, Pinaropappus Lessing
