John Henry Schaffner (1866–1939) was an American botanist and professor at

Ohio State University The Ohio State University, commonly called Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. A member of the University System of Ohio, it has been ranked by major institutional rankings among the best publ ...

. He is known for his contributions to the

floral diagram Floral diagram is a graphic representation of flower structure. It shows the number of floral organs, their arrangement and fusion. Different parts of the flower are represented by their respective symbols. Floral diagrams are useful for flower i ...

and for his work on reduction division. Schaffner is the

botanical authority In botanical nomenclature, author citation is the way of citing the person or group of people who validly published a botanical name, i.e. who first published the name while fulfilling the formal requirements as specified by the ''International Cod ...

, for seven

taxa In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

that bear his name, such as '' Equisetum kansanum'' J.H.Schaffn..

References

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American botanists 1866 births 1939 deaths {{US-botanist-stub