Vězda, Lich. Sel. Exs. [Průhonice]
Antonín Vězda [201-2500]
IndExs #37631273

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-024724
H.S. Osorio s.n. 03 December 1961
Usnea nigrescens
Uruguay, Maldonado, Maldonado-Cerro Pan Azucar. Ad saxa silicea (locus classicus).

Duke University Herbarium Lichen Collection
Catalog #: 140534
b9e77e47-fa34-11e2-a92b-005056000560
Osório, Héctor, S. #3954 03 December 1961
Usnea nigrescens
Uruguay, Maldonado, Cerro Pan Azucar