References
Matthews, J.F., W.R. Faircloth, and J.R. Allison. 1991. Portulaca biloba Urban (Portulacaceae), a species new to the United States. Syst. Bot. 16: 736-740. Google Scholar
Matthews, J.F., W.R. Faircloth, and J.R. Allison. 1991. Portulaca biloba Urban (Portulacaceae), a species new to the United States. Syst. Bot. 16: 736-740. Google Scholar