A preliminary list of the vascular flora of Allegheny County, Pennsylvania
By: by John A. Shaffer.
Publisher: Carnegie Institute Museum?
Published: 1901
Place of publication: [Pittsburgh?
Language: eng
Number of pages: 127
Subjects: Plants -- Pennsylvania -- Allegheny County.
Other titles: Vascular flora of Allegheny County.
Notes: Featured in *Annals of the Carnegie Museum*, vol. 1, no. 1, 1901, pp. 14–127