The Hepaticae of the Douglas Lake region, Michigan
Subtitle: including Cheboygan, Emmet, Presque Isle, and Mackinac Counties; an illustrated key for determining the liverworts growing in the Douglas Lake region.
Published: 1950
Place of publication: [Ann Arbor?
Language: eng
Number of pages: 30
Subjects: Liverworts -- Michigan.
Notes: Bibliography: p. 29-30.