References
Hershkovitz, M.A., and E.A. Zimmer. 2000. Ribosomal DNA evidence and disjunctions of western American Portulacaceae. Molecular Phylogenetics and Evolution 15: 419-439. Google Scholar
Hershkovitz, M.A., and E.A. Zimmer. 2000. Ribosomal DNA evidence and disjunctions of western American Portulacaceae. Molecular Phylogenetics and Evolution 15: 419-439. Google Scholar