| Status of species |
A rare species. Registered in the Red Data Books of Estonia and Sweden
and in the Lists of endangered lichens species in Finland, Denmark, Germany
and Poland. |
| Distribution |
Central part of Latvia and in the highland of Vidzeme. |
| Habitat |
An epiphytic lichen growing on deciduous trees in populated areas. |
| Occurance |
Singly specimens occur. |
| Reproduction |
By isidia. |
| Changes in number and distribution |
Found for the first time in Latvia in Incukalns (C. Lucas, 1862), in
Sigulda and Nītaure (A. Bruttan, 1870), in Ļaudona (A. Piterāns, 1972)
and in Vestiena (A. Piterāns, 1985). |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.
Lichen localities are known in Gauja National Park. Red Data Book of Latvia,
1985. |
| Suggestions for study |
Lichen biology and dynamics of population development should be studied.
Its distribution should be defined. |