Andreaea nivalis
Scale 5 Diat: photosynthetic , Hierachy 1
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Image Description: Scanning electron microscopy (SEM) image of the lantern shaped spongium, which occurs during dry conditions – the optimal conditions for spore dispersal.

cold, cool, warm
Graphic by Jennifer Deol & Diana W
Andreaea is a genus of rock mossesdescribed as a genus in 1801.[1][2][3] They are small, delicate acrocarpous mosses (meaning that the capsules are formed at the tips of vertical branches) that form dark brown or reddish cushions on wet siliceous rocks in mountainous areas. The capsule lacks theperistome teeth and operculum of other mosses, and […] read more