Fehlberg, S.D.; Ranker, T.A. 2007. Phylogeny and biogeography of Encelia (Asteraceae) in the Sonoran and Peninsular deserts based on multiple DNA sequences. Systematic Botany. 32(3): 692-699.
Fehlberg, S.D.; Ranker, T.A. 2007. Phylogeny and biogeography of Encelia (Asteraceae) in the Sonoran and Peninsular deserts based on multiple DNA sequences. Systematic Botany. 32(3): 692-699.