Aquatic plants of Pennsylvania : a complete reference guide /

by Rhoads, Ann Fowler
Published 2011

Woody plants of Franklin County, Pennsylvania /

by Illick, Joseph S (Joseph Simon), 1884-1967
Published 1921

Common trees of Pennsylvania /

Published 1968

Aquatic plants of Pennsylvania : a complete reference guide /

by Block, Timothy A, Block, Timothy A., Rhoads, Ann Fowler
Published 2011

The serpents of Pennsylvania /

Published 1906

Trees of Pennsylvania : a complete reference guide /

by Rhoads, Ann Fowler
Published 2005

The plants of Pennsylvania : an illustrated manual /

by Rhoads, Ann Fowler, Rhoads, Ann Fowler, Rhoads, Ann Fowler
Published 2007

Fauna americana: being a description of the mammiferous animals inhabiting North America

by Harlan, Richard, 1796-1843, Harlan, Richard, 1796-1843, Harlan, Richard, 1796-1843
Published 1825

Trees of Pennsylvania : field guide /

by Tekiela, Stan
Published 2021

Pennsylvania trees /

by Illick, Joseph S (Joseph Simon), 1884-1967
Published 1923

Philadelphia trees : a field guide to the city and the surrounding Delaware Valley /

by Meyer, Paul W (Paul William), 1952-, Barnard, Edward Sibley, 1936-, Briger, Catriona Bull
Published 2023

Field guide to birds of Pennsylvania /

by Armistead, George L.
Published 2015

Philadelphia trees : a field guide to the city and the surrounding Delaware Valley /

by Meyer, Paul W (Paul William), 1952-, Meyer, Paul W (Paul William), 1952-, Meyer, Paul W (Paul William), 1952-, Meyer, Paul W (Paul William), 1952-, Meyer, Paul W (Paul William), 1952-, Barnard, Edward Sibley, 1936-, Barnard, Edward Sibley, 1936-, Briger, Catriona Bull, Briger, Catriona Bull
Published 2017

Trees of Pennsylvania: the Atlantic States and the Lake States

by Li, Hui-Lin, 1911-, Li, Hui-Lin, 1911-, Li, Hui-Lin, 1911-
Published 1972

Field guide to wild mushrooms of Pennsylvania and the Mid-Atlantic /

by Russell, Bill, 1935-, Russell, Bill, 1935-
Published 2017

Aquatic plants of Pennsylvania : a complete reference guide /

by Block, Timothy A, Block, Timothy A, Block, Timothy A
Published 2011

Butterflies of Pennsylvania : a field guide /

by Monroe, James L, Monroe, James L., Monroe, James L., Monroe, James L., Monroe, James L., Monroe, James L., Wright, David M (David Manfred), Wright, David M (David Manfred), Wright, David M (David Manfred), Wright, David M (David Manfred)
Published 2017

Edible wild plants of Pennsylvania and neighboring states /

by Medve, Richard J, Medve, Richard J, Medve, Richard J., Medve, Mary Lee
Published 1990

Woody plants of Franklin County, Pennsylvania,

by Illick, Joseph S (Joseph Simon), 1884-1967, Illick, Joseph S (Joseph Simon), 1884-1967
Published 1921