John, Lich. Anatol. exs.
John [1 - 200]

Arizona State University Lichen Herbarium
Catalog #: 505978
V. John s.n. 08 August 1990
Arthonia clemens (Tul.) Th. Fr.
Turkey, Gümüşhane, Gümüşhane, Ziyaret Dag, E of Maçka, Ermeni Yaylasi, SE of Sumela

Uppsala University Exsiccati
Catalog #: L-106554
V. John & M. Ritsch s.n. 08 August 1990
Arthonia clemens (Tul.) Th. Fr.
Turkey, Trabzon, Ziyaret Dag, E of Maçka, Ermeni Yaylasi, SE of Sumela

Field Museum of Natural History
Catalog #: C0090163F
2bb05abe-a960-4644-bc36-2cfbf1c53dcf
V. John & M. Ritsch s.n. 08 August 1990
Arthonia clemens (Tul.) Th. Fr.
Turkey, Trabzon, Ziyaret Dag, E of Maçka, Ermeni Yaylasi, SE of Sumela