Arnold, Lich. Exs. Lich. Jur. [Eichstätt]
Ferdinand Christian Gustav Arnold [1-1816]
IndExs #540905952

New York Botanical Garden
Catalog #: 04439471
29d18502-9854-424e-ae4f-581ac31fd466
s.n.
Calicium pusillum var. populneum (Brond. ex Duby) Hepp

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-165256
F. Arnold s.n. 00 January 1859
Phaeocalicium populneum (Brond. ex Duby) Alb. Schmidt
Germany, Bayern, Im Laubwalde der Anlagen bei Eichstätt

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-165257
F. Arnold s.n. 20 October 1881
Phaeocalicium populneum (Brond. ex Duby) Alb. Schmidt
Germany, Bayern, Im Tiefenthale bei Eichstätt