Globally, there are only four known individuals of this species, despite targeted searches in at least one of the areas that it is known to occur. Its inferred to be extremely rare and restricted to old-growth forests.
The population has four subpopulations, each in a different country, and each represented by a single individual.
Population Trend:
Selva, S. B. & L. Tibell. 1999. Lichenized and non-lichenized calicioid fungi from North America. The Bryologist 102: 377–397.
Tibell, L. 1980. The lichen genus Chaenotheca in the northern hemisphere. Symbolae Botanicae Upsalienses 23: 1–65.
Titov, A. N. 1998. New and rare calicioid lichens and fungi from relict tertiary forests of Caucasus and the Crimea. Folia Cryptogamica
Estonica 32: 127–133.
Türk, R. & O. Breuss. 1994. Lichens from Lower Austria I. Steirischnieder-österreichische Kalkalpen. Verhandlungen der Zoologisch-Botanischen Gesellschaft in Österreich 131: 79–96.
Country | Trend | Redlisted |
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