Mosses and lichens are common in the Arctic.
The majority of the khachkars are covered by moss and lichen.
The black on the out side was lichen, a type of moss.
It is considered the longest lichen in the world.
A lichen picture is on the way for the flora section.
It is currently one of the most endangered lichens in the world.
The caterpillars feed on lichen from the genus parmelia.
The microscopic appearance of lichen planus is pathognomonic for the condition.
The nest is made of cobwebs, lichens and plant fibre.
Proceedings were of symposium on tissue culture of lichen and bryophyte.