Orchids of western Pennsylvania
By: by Leroy K. Henry & Werner E. Buker
Contributors: Buker, Werner E.
Series: Annals of the Carnegie Museum -- v. 33
Publisher: Carnegie Museum
Published: 1955
Place of publication: Pittsburgh
Language: eng
Number of pages: 346
Subjects: Orchids
Notes: Cover title.

"Issued September 16, 1955"--P. 299.

Includes bibliographical references.