Laboratory outlines for general botany, for the elementaty study of plant structures and functions from the standpoint of evolutionJohn Henry Schaffner · First published 1913Open the Tome
Field Manual of Trees; Including Southern Canada and the Northern United States to the Southern Boundary of Virginia, Kentucky and Missouri, Westward to the Limits of the PrairieJohn H. (John Henry) 1866 Schaffner · First published 2018 · Latest edition 2021Open the Tome
Additions to the revised catalog of Ohio vascular plantsJohn Henry Schaffner · First published 1933Open the Tome
Field manual of the flora of Ohio and adjacent territoryJohn Henry Schaffner · First published 1928Open the Tome
Field manuel of trees, including southern Canada and the northern United States to the southern boundary of Virginia, Kentucky and Missouri, westward to the limits of the prairieJohn Henry Schaffner · First published 1926Open the Tome
Laboratory outlines for general botany, for the elementary study of plant structures and functions from the standpoint of evolutionJohn Henry Schaffner · First published 1915 · Latest edition 1922Open the Tome
Additions to the catalog of Ohio vascular plants for 1919, 1920, 1921, 1922, 1923, 1925, 1929John Henry Schaffner · First published 1920Open the Tome
Trees of Ohio and surrounding territory, including the area westward to the limits of the prairie and south to the thirty seventh parallelJohn Henry Schaffner · First published 1909Open the Tome
A key to the common families of seed plants in the central United StatesJohn Henry Schaffner · First published 1903Open the Tome
Artificial production of the sickle stage of the nucleolusJohn Henry Schaffner · First published 1899Open the Tome