Cavernularia Glans
''Cavernularia'' may refer to: * ''Cavernularia'' (lichen), a genus of lichenised ascomycetes in the large family Parmeliaceae * ''Cavernularia'' (cnidarian), a genus of marine cnidarians in the family Veretillidae {{genus disambiguation ...
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Cavernularia (lichen)
''Hypogymnia'' is a genus of foliose lichens in the family Parmeliaceae. They are common name, commonly known as tube lichens, bone lichens, or pillow lichens. Most species lack rhizines (root-like attachment organs on the lower surface) that are otherwise common in members of the Parmeliaceae, and have swollen lobes that are usually hollow. Other common characteristics are relatively small spores and the presence of physodic acid and related lichen products. The lichens usually grow on the bark and wood of coniferous trees. ''Hypogymnia'' was proposed by lichenologist William Nylander (botanist), William Nylander, first as a subgenus of ''Parmelia (fungus), Parmelia'' in 1881, and 15 years later as a distinct genus of two species, including the widespread and common type species, ''Hypogymnia physodes''. It has since grown to about 90 recognized species. ''Hypogymnia'' has a centre of biodiversity in China, where many of its species are found. Taxonomy ''Hypogymnia'' was first c ...
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