Title
The Scrophulariaceae of Eastern Temperate North America. Monographs of the Academy of Natural Sciences of Philadelphia, Number 1 by Francis W. Pennell
By
Keck, David Daniels, 1903-1995
Original Publication
Madroño; a West American journal of botany
Published by
Berkeley California Botanical Society
Identifiers
BioStor:
https://biostor.org/reference/161755