Georg Heinrich Weber

Cladonia rangiferina, also known as reindeer cup lichen, reindeer lichen (cf. Sw. renlav) or grey reindeer lichen, is a light-coloured fruticose, cup lichen species in the family Cladoniaceae. It grows in both hot and cold climates in well-drained, open environments. Found primarily in areas of alpine tundra, it is extremely cold-hardy. Other common names include reindeer moss, deer moss, and caribou moss, but these names can be misleading since it is, though somewhat moss-like in appearance, not a moss. As the common names suggest, reindeer lichen is an important food for reindeer (caribou),

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Protopannaria pezizoides, the gray moss-shingle, is a species of squamulose lichen in the family Pannariaceae. It was first described scientifically by the German botanist Georg Heinrich Weber in 1778. It has a long and complex taxonomic history, and has an extensive synonymy. It was transferred to the genus Protopannaria by Per Magnus Jørgensen and Stefan Ekman in 2000; it was assigned as the type species of the genus. Protopannaria pezizoides is widespread, with a continental distribution that includes Africa, Asia, North America, and Oceania. The lichen thrives in moist and/or humid

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