Campbell, Douglas Houghton books & textbook
Elements of Structural and Systematic Botany, for High Schools and Elementary College Courses
Leopold Classic Library /2016-05-20 Paperback / 272 Pages
STUDIES ON THE OPHIOGLOSSACEAE [FERNS]
American Naturalist /1907T Pamphlet
THE NEW FLORA OF KRAKATAU
American Naturalist /1909T Pamphlet
ANTITHETIC VERSUS HOMOLOGOUS ALTERNATION
American Naturalist /1903T Pamphlet
AFFINITIES OF THE GENUS EQUISETUM
American Naturalist /1905T Pamphlet
Continental Drift and Plant Distribution
Privately Printed for the Author /1943-01-01 Staple Bound / 43 Pages
American Nature Series: Group VI. The Philosophy of Nature. Edited by V. L. Kellogg. Plant Life and Evolution
Campbell, Douglas Houghton Kellogg, V. L.
Leopold Classic Library /2016-12-23 Paperback / 376 Pages
The Eusporangiatae: The Comparative Morphology of the Ophioglossaceae and Marattiaceae
Leopold Classic Library /2016-01-29 Paperback / 272 Pages
Memoir of the Boston society of natural history; Vol. IV, No. II. The Development of the Ostrich Fern
Leopold Classic Library /2015-10-13 Paperback / 47 Pages
Plant Life and Evolution
Henry Holt and Company /1911T Hardcover / 381 Pages
