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Aquatic Plants of Pennsylvania
From the Delaware River to the shores of Lake Erie, Pennsylvania's diverse watery habitats are home to more than 200 species of aquatic plants. In Aquatic Plants of Pennsylvania: A Complete Reference Guide, botanists Timothy A. Block and Ann Fowler Rhoads have assembled the first identification guide specific to the Keystone State yet useful throughout the Mid Atlantic region. Organized and written in a way that will make information easily accessible to specialists and nonspecialists alike, the book highlights the diversity and vital ecological importance of this group of plants, providing photographs, illustrations, descriptions, and identification keys for all emergent, floating-leaved, a...
The Plants of Pennsylvania
The second edition of The Plants of Pennsylvania is the authoritative guide to identifying the nearly 3,400 species of flowering plants, ferns, and gymnosperms native or naturalized in the Commonwealth. It features a complete reorganization into a genetic scheme that reflects recent advances in our understanding of plant relationships.
The Vascular Flora of Pennsylvania
This vol. is the first published product of the Pennsylvania Flora Database, created & maintained at the Morris Arboretum of the U. of Pennsylvania. The database has its roots in the work of Edgar T. Wherry, John M. Fogg, Jr., & Herbert A. Wahl, the Atlas of the Flora of PennsylvaniaÓ (Wherry et al. 1979), published by the Morris Arboretum. Over a period of 40 years, Wherry & his colleagues gathered data from the major Pennsylvania herbaria & manually placed a quarter of a million dots on over 3500 maps (Fogg 1944). The Pennsylvania Flora Database retains the emphasis on specimen-based, site-specific data. The checklist of included taxa has undergone extensive review to reflect recent taxon...
Trees of Pennsylvania
Authoritative, encyclopedic, lavishly illustrated guide to the trees of the state and region—from the Morris Arboretum, the official arboretum of the Commonwealth of Pennsylvania.
Trees of Pennsylvania
Common and uncommon tree species described in engaging detail. Covers trees found in small woodlots, deep forests, backyards, and reverting fields.
Shrubs and Hedges
A practical, ordinary person's guide to choosing, planting, and caring for the world's most popular plants, Shrubs & Hedges delivers all the know-how you'll need to grow beautiful, healthy shrubs. Whether they're flowering shrubs or evergreen hedges, these long-lived plants fill a lot of space in our landscapes; yet they don't capture as much attention as perennials, annuals, and even trees. The front doors and picture windows of millions of houses world-wide are adorned by shrubs. Despite their ubiquity, selecting and maintaining shrubs remains a mystery to many. Shrubs are all-too-often inappropriately pruned into "meatball" shapes, or alternatively, left to become an overgrown tangle of b...
The Life Cycle of Psychological Ideas
This book focuses on what other volumes have only touched on, that is the factors that contribute to the rise of certain persons and ideas in the field of psychology. Bringing together noted experts in the field, it describes the process of intellectual reconstructions that determines how we view historical events, and why some ideas die only to be reborn again, as well as why new ideas can quickly topple traditional views.
The Permanent Resident
No figure in American history has generated more public interest or sustained more scholarly research around his various homes and habitations than has George Washington. The Permanent Resident is the first book to bring the principal archaeological sites of Washington's life together under one cover, revealing what they say individually and collectively about Washington’s life and career and how Americans have continued to invest these places with meaning. Philip Levy begins with Washington’s birthplace in Westmoreland County, Virginia, then moves to Ferry Farm—site of the mythical cherry tree—before following Washington to Barbados to examine how his only trip outside the continent...
America's Curious Botanist
The Academy of Natural Sciences, the American Philosophical Society, the John Bartram Association, the Library Company of Philadelphia, the Pennsylvania Horticultural Society, & the Philadelphia Botanical Club sponsored a three-day symposium in May 1999 to commemorate the 300th anniversary of John Bartram's birth. This collection of essays arises from that symposium. All of the essays contribute to the telling of the story of the multifaceted John Bartram, whose life spanned most of the 18th-century and who was called "the greatest natural botanist in the world." The work is published in cooperation with the Library Company of Philadelphia & John Bartram Association. Color & black & white illustrations.
