Friedrich Weber

Equisetum variegatum, commonly known as variegated horsetail or variegated scouring rush, is a species of vascular plant in the horsetail family Equisetaceae. Like all horsetails, it is a type of fern. It is native to the northern hemisphere where it has a circumpolar distribution.

Schistostega pennata, also called goblin gold, Dragon's gold, luminous moss or luminescent moss, is a haplolepidous moss (Dicranidae) known for its glowing appearance in dark places. It is the only member of the family Schistostegaceae.

Climacium dendroides, also known as tree climacium moss, belongs in the order Hypnales and family Climaciaceae, in class Bryopsida and subclass Bryidae. It is identified as a "tree moss" due to its distinctive morphological features, and has four species identified across the Northern Hemisphere. The species name "dendroides" describes the tree-like morphology of the plant, and its genus name came from the structure of the perforations of peristome teeth. This plant was identified by Weber and Mohr in 1804. They often have stems that are around 2-10 cm tall and growing in the form of patches,

Syntrichia ruralis, commonly known as twisted moss and star moss, is a species of moss in the family Pottiaceae with a cosmopolitan distribution. It occurs in North America, the Pacific, Europe, Asia, the Middle East, North and South Africa, South America, and Australia. It grows in many types of climate, including the Arctic, boreal areas, temperate areas, and deserts. It grows in tundra, coniferous forest, grassland, sagebrush steppe, and other habitat types. This moss forms tufts of erect stems up to 4 centimeters tall. When it is wet it is bright green and the leaves are loose. When it

Climacium is a genus of mosses belonging to the family Climaciaceae. The species of this genus are found in Eurasia, North America, and Australia.

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Conostomum is a genus of mosses belonging to the family Bartramiaceae.

Calymperes is a genus of mosses belonging to the family Calymperaceae, for which it is the type genus. Species: Calymperes acanthoneuron P. de la Varde Calymperes aeruginosum Hampe ex Sande Lac. Calymperes afzelii Sw. Calymperes schmidtii Broth.

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Andreaea rothii, or Roth's andreaea moss, is a species of moss in the family Andreaeaceae native to North America and parts of Europe. This plant was described in 1807 by Weber and Mohr.

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Brachythecium salebrosum is a species of moss in the Brachytheciaceae family. It is widely distributed throughout the world, except for in South-America and in tropical regions. Brachythecium salebrosum is known to be able to use artificial light to grow in places which are otherwise devoid of natural light, such as Crystal Cave in Wisconsin.

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Helodium blandowii, also known as Blandow's helodium moss, Blandow's tamarisk-moss, Blandow's bogmoss, and Blandow's feathermoss, is a common moss species in Europe. It is also found in North America, Central Asia and Greenland. It is considered rare plant in the Western U.S., including Oregon and California. It occurs all around the northern hemisphere in higher latitudes, and in some places is not as rare as in the Western U.S.

Harpanthus scutatus is a species of liverworts belonging to the family Geocalycaceae. It is native to Eurasia and Northern America.

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