A monograph of the genus Parmelia in North America, north of Mexico
By: [by] Edward C. Berry.
Publisher: Washington University
Published: 1941
Place of publication: St. Louis
Language: eng
Number of pages: 146
Subjects: Parmelia.; Lichens -- North America.
Notes: "Reprinted from Annals of the Missouri botanical garden, February, 1941, vol. xxviii, no. 31-146."

Thesis (PH.D.) - Washington University, St. Louis, 1941.