Journal of a botanical excursion in the northeastern parts of the states of Pennsylvania and New York : during the year 1807 /

[Botany of the West ; compilation of 8 reports by botanists accompanying the Pacific railroad explorations and surveys made by the U.S. Engineer dept. under the direction of the secretary of war, in 1853-56.
Published: (1855)

The plants of Pennsylvania : an illustrated manual /
by: Rhoads, Ann Fowler
Published: (2007)

Trees of Pennsylvania : a complete reference guide /
by: Rhoads, Ann Fowler
Published: (2005)

Catalogue of the Bryophyta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in Pennsylvania /
by: Porter, Thomas Conrad, 1822-1901
Published: (1904)

Aquatic plants of Pennsylvania : a complete reference guide /
by: Rhoads, Ann Fowler
Published: (2011)

Wild flowers of western Pennsylvania and the upper Ohio basin /
by: Jennings, O. E. (Otto Emery), 1877-1964
Published: (1953)

The Flora of the upper Susquehanna and its tributaries /
by: Clute, Willard Nelson, 1869-
Published: (1898)

Journal of the New York Botanical Garden.
Published: (1900)

Bulletin of the New York Botanical Garden.

Paleoenvironmental implications of botanical data from Meadowcroft Rockshelter, Pennsylvania.
by: Volman, Kathleen Cushman
Published: (1981)

Compendium florae philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles arond Philadelphia /
by: Barton, William P. C. (William Paul Crillon), 1786-1856
Published: (1818)

Pennsylvania trees /
by: Illick, Joseph S. (Joseph Simon), 1884-1967
Published: (1928)

The ferns and flowering plants of central Pennsylvania /
by: Kelly, James Peter, 1885-
Published: (1937)

Journal of the Adelaide Botanic Gardens. Supplement.

Journal of the Adelaide Botanic Gardens.
Published: (1976)

A flora of the state of New-York : comprising full descriptions of all the indigenous and naturalized plants hitherto discovered in the state; with remarks on their economical and medicinal properties /
by: Torrey, John, 1796-1873
Published: (1843)

A flora of the state of New York : comprising full descriptions of all the indigenous and naturalized plants hitherto discovered in the state; with remarks on their economical and medicinal properties /
Published: (1843)

Advances in botanical research.
Published: (2003)

Advances in botanical research.
Published: (1998)

Advances in botanical research.
Published: (2006)

Advances in botanical research.
Published: (1963)

Advances in botanical research.
Published: (2009)

Advances in botanical research.
Published: (2002)

Advances in botanical research.
Published: (1997)

Advances in botanical research.
Published: (1999)

Advances in botanical research.
Published: (2004)

Advances in botanical research.
Published: (1997)

Advances in botanical research.
Published: (1995)

Advances in botanical research.
Published: (1997)

Advances in botanical research.
Published: (1999)

Advances in botanical research.
Published: (1996)

The journal of the Botanical Society of South Africa.

Botanical journal of the Linnean Society.

Flora of the Northeast : a manual of the vascular flora of New England and adjacent New York /
by: Magee, Dennis W., 1942-
Published: (1999)

Flora of the Northeast : a manual of the vascular flora of New England and adjacent New York /
by: Magee, Dennis W., 1942-
Published: (1999)

Memoirs of the New York Botanical Garden.
Published: (1900)