A taxonomic study of the subgenus Pterogonum of the genus Eriogonum (Polygonaceae) /

Hess, William John,2013-08-162013-08-161967http://hdl.handle.net/11244/2184v, 63 leaves :Biology, Botany.Polygonaceae.A taxonomic study of the subgenus Pterogonum of the genus Eriogonum (Polygonaceae) /Thesis