Herbert Allen Sierk

Herbert Allen Sierk (1932– ), U.S. lichenologist

Specialist on the lichen genus Leptogium

IPNI standard form: Sierk

Address (in 1964): Dept. of Botany, MacMurray College, Jacksonville, Illinois

Publication

Sierk, H.A. 1964. The genus Leptogium in North America north of Mexico. The Bryologist 67(3): 245–317.