John Michael Holzinger

John Michael Holzinger
John M. Holzinger, ca. 1880
BornMay 14, 1853
Died1929(1929-00-00) (aged 75–76)
Alma materOlivet College
Scientific career
FieldsBryology
InstitutionsWinona State Normal School
Author abbrev. (botany)Holz.

John Michael Holzinger (1853 – 1929) was a German-born American bryologist, expert on the bryoflora of Colorado, and third president of the Sullivant Moss Society.