| Status of species |
A rare species. Registered in the Red Data Books of Sweden and Estonia
and in the Lists of endangered lichens species in Finland, Germany, Austria
and Poland. |
| Distribution |
Rare, mainly in the central and western parts of Latvia. |
| Habitat |
An epiphytic lichen growing on conifers in mixed forests, particularly
on spruce branches. |
| Occurance |
Singly specimens occur. |
| Reproduction |
By soredia. |
| Changes in number and distribution |
First indications in Latvia were in 1870 (A. Bruttan), no locality
mentioned, in Alla¾i (A. Piterąns, 1965). It is negatively affected by
changes in biotopes and environmental pollution. |
| Existing protection |
Localities are known in Slļtere reserve. Red Data Book of Latvia, 1992. |
| Suggestions for study |
Lichen biology and dynamics of population development should be studied.
Its distribution should be defined. |