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The Classification of Plants, VII.
Schaffner, John H. (1911-12)
The Diurnal Nodding of the Wild Carrot and Other Plants
Schaffner, John H. (1912-02)
A Revised Taxonomy of the Grasses
Schaffner, John H. (1912-03)
An Undescribed Equisetum from Kansas
Schaffner, John H. (1912-11)
The Classification of Plants, IX.
Schaffner, John H. (1913-04)
The Classification of Plants, X.
Schaffner, John H. (1913-11)
A New Laboratory Guide for High School Botany
Schaffner, John H. (1909-12)
New and Rare Ohio Plants Added to the State Herbarium in 1910
Schaffner, John H. (1910-12)
New and Rare Plants Added to the Ohio List in 1912
Schaffner, John H. (1912-12)
Essentials of College Botany
Schaffner, John H. (1915-02)