Indices to the Types and Special Collections of Flowering Plants and Ferns of the Herbarium of the Academy of Natural Sciences of Philadelphia
Publisher: Chadwyck-Healy
Published: October 1987
Language: eng
Format: Microfiche
Number of pages: 274
ISBN-13: 9780930466879
Subjects: Type specimens; Philadelphia; Pennsylvania; Angiosperms; Herbarium; Catalogs; Catalogs and collections; Academy of Natural Sciences of; Ferns; Herbaria on microfiche