Holzinger was born on May 14, 1853, in
Hachtel, Germany. In 1874, he graduated from
Olivet College. Holzinger went on to teach science and botany at
Winona State Normal School from 1882 to 1890. In 1890, he left to join the
United States Department of Agriculture division of botany. In 1893, he returned to Winona where he remained until 1922. Holzinger made several noteworthy collections of bryophytes and exsiccata series from North America. His
exsiccata Musci Acrocarpi Boreali-Americani was a valuable asset to 20th century bryology. The series
Mosses of Colorado. Distributed by J. M. Holzinger: collected by Carl F. Baker 1896 distributed specimens collected by
Charles Fuller Baker. ==Legacy==