Experimental taxonomy
By: by Jens Clausen, David D. Keck and William M. Hiesey
Publisher: Carnegie Institution
Published: 1935
Place of publication: Washington, D.C.
Language: eng
Subjects: Plants; Classification
Notes: Title from caption.

"From Annual Report of Division of Plant Biology, Carnegie Institution of Washington, 1934-35, pages 201-206. Issued December 13, 1935."