An annotated list of the vascular flora of Butler County, Pennsylvania
By: [by] LeRoy K. Henry.
Series: Annals of Carnegie Museum, v. 43, article 5; Annals of the Carnegie Museum ;; v. 43, article 5.
Publisher: Carnegie Museum]
Published: 1971
Place of publication: [Pittsburgh
Language: eng
Number of pages: 178
Subjects: Botany -- Pennsylvania -- Butler Co.
Notes: Caption title.