A taxonomic study of the genus Pycnanthemum
By: by Elizabeth Gregory Boomhour. ...
Published: 1941
Language: eng
Number of pages: 227
Subjects: Pycnanthemlum
Notes: Typescript.

Vita.

Plates consist of mounted photographs.

Thesis (Ph.D.)--Duke University, 1941.

"Select bibliography": p. 222-227.