The Plants of Pennsylvania: An Illustrated Manual
Pennsylvania, a state of diverse geography and geology, is rich in flora. The Plants of Pennsylvania provides a means of positively identifying the more than 3,000 species of flowering plants, ferns, and gymnosperms native or naturalized in the Commonwealth. The manual includes keys to families, genera, and species; extensive diagnostic illustrations; scientific and common names; and data on distribution ranges, relative frequency, rare and endangered species, blooming and fruiting periods; taxonomic notes; and an illustrated glossary. The information meticulously reflects the plants as represented in Pennsylvania and is derived from specimens collected within the state. Developed in conjunction with the Pennsylvania Flora Database project and compiled by botanists at the Morris Arboretum, the official arboretum of the Commonwealth of Pennsylvania, The Plants of Pennsylvania is an authoritative, accessible guide to Pennsylvania's plant life. It will be indispensable to taxonomists, conservationists, ecologists, foresters, land planners, teachers, agricultural county agents, students, and amateur naturalists.
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E stems simple or branching but not whorled
obvious leaves present
T leaves with a narrow basal sinus but not sagittate or cor