P. M. Beardsley, Alan Yen, R. G. Olmstead: AFLP Phylogeny of Mimulus Section Erythranthe and the Evolution of Hummingbird Pollination. In: Evolution. 57. Jahrgang, Nr.6, 2003, S.1397–1410, doi:10.1554/02-086 (amjbot.org).
P. M. Beardsley, R. G. Olmstead: Redefining Phrymaceae: the placement of Mimulus, tribe Mimuleae, and Phryma. In: American Journal of Botany. 89. Jahrgang, Nr.7, 2002, S.1093–1102, doi:10.3732/ajb.89.7.1093 (amjbot.org).
doi.org
P. M. Beardsley, Alan Yen, R. G. Olmstead: AFLP Phylogeny of Mimulus Section Erythranthe and the Evolution of Hummingbird Pollination. In: Evolution. 57. Jahrgang, Nr.6, 2003, S.1397–1410, doi:10.1554/02-086 (amjbot.org).
P. M. Beardsley, R. G. Olmstead: Redefining Phrymaceae: the placement of Mimulus, tribe Mimuleae, and Phryma. In: American Journal of Botany. 89. Jahrgang, Nr.7, 2002, S.1093–1102, doi:10.3732/ajb.89.7.1093 (amjbot.org).
P. M. Beardsley, Steve E. Schoenig, Justen B. Whittall, Richard G. Olmstead: Patterns of Evolution in Western North American Mimulus (Phrymaceae). In: American Journal of Botany. 91. Jahrgang, Nr.3, 2004, S.474–4890, doi:10.3732/ajb.91.3.474.
phytoneuron.net
W. R. Barker, G. L. Nesom, P. M. Beardsley, N. S. Fraga: A taxonomic conspectus of Phrymaceae: A narrowed circumscriptions for Mimulus, new and resurrected genera, and new names and combinations. In: Phytoneuron. 2012-39. Jahrgang, 2012, S.1–60 (phytoneuron.net [PDF]).