Penstemon nomenclature
Subtitle: chart of the subdivisions of the genus, species in each sudivision, all names ever used in botanical literature to refer to Penstemons, and their present status
Publisher: American Penstemon Society
Published: 1960
Place of publication: Arlington, Va
Language: eng
Number of pages: 165
Subjects: Penstemons; Nomenclature
Other titles: Bulletin of the American Penstemon Society. 19 (Supplement)
Notes: Cover title.

Compiled by Ralph W. Bennett.

"Supplement to Bulletin XIX."