Verbatim text: Lewis, W. H. and Y. Suda. 1968. Karyotypes in relation to classification and phylogeny in Claytonia. Ann. Missouri Bot. Gard. 55: 64–67.
Author: Lewis, W.H., Suda, Y.
Year: 1968
Title: Karyotypes in relation to classification and phylogeny in Claytonia
Journal: Ann. Missouri Bot. Gard
Volume: 55
Pages: 64–67
BHL link: http://www.biodiversitylibrary.org/part/9255