Schaerer, Lich. Helv. Exs. Ed. II [Bernae (Berne)]
Ludwig Emanuel Schaerer [1-250]
IndExs #729589223

Duke University Herbarium Lichen Collection
Catalog #: 395884
ae784cf6-1650-4744-b55e-0c82294aabb2
unspecified #s.n.
Pyrenula laevigata (Pers.) Arnold
Switzerland, Bremgarten