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The PA Flora Database (PFD) has its roots in the work of Edgar Wherry, John Fogg, Jr., and Herbert Wahl, the “Atlas of the Flora of PA”, pub. by the Morris Arboretum of the Univ. of PA. Over a period of 40 years, Wherry and his colleagues gathered data from the major PA herbaria and manually placed a quarter of a million dots on over 3,500 maps, which are reproduced in this volume. The checklist of included taxa has undergone extensive review to reflect recent taxonomic and nomenclatural revisions. Recent discoveries have been added and distribution data has been updated. This volume also includes collections made in the 1990s in conjunction with the PA Natural Diversity Inventory. Extensive illustrations. Reprinted 1996.
Price: $95.00
Pages: 636
Publisher: University of Pennsylvania Press, Inc.
Imprint: The American Philosophical Society Press
Series: Memoirs of the American Philosophical Society
Publication Date:
01 January 1993
Trim Size: 10.00 X 7.00 in
ISBN: 9780871692078
Format: Hardcover
BISACs:
NATURE / Plants / Flowers
"[T]he most detailed, comprehensive, and up-to-date reference on the distribution of the ferns, fern allies, conifers, and flowering plants known to occur in the Commonwealth… [This book] sets the standard for state level references on vascular plants."