Rocella DC. and Usnea Ach
By: By O.-V. Darbishire
Published: 1932
Place of publication: Paris
Language: eng
Number of pages: 166
Notes: Extracted from Annales de Cryptogamie exotique, v. 5, fasc. 3-4, 1932, p. [160]-166.

Includes bibliographical references, p. 165-166.