Umbilicariaceae exsiccatae
By: G.B. Feige et H.T. Lumbsch
Publisher: Universität Essen
Published: 1993
Place of publication: Essen
Language: eng
Subjects: Umbilicariaceae; Catalogs and collections; Umbilicaria; Lasallia
Notes: "Distributed by the Botanical Institute of the University of Essen."