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Usnea hirta is a species of beard lichen in the family Parmeliaceae. It was one of 80 lichen species first formally described by Carl Linnaeus in his 1753 work Species Plantarum . Friedrich Heinrich Wiggers transferred it to the genus Usnea in 1780. [ 2 ]
Usnea sphacelata is a species of saxicolous (rock-dwelling), fruticose lichen in the large family Parmeliaceae. It is found in both polar regions of Earth , as well as in southern and northern South America and in New Zealand.
Usnea is a genus of fruticose lichens in the large family Parmeliaceae. The genus, which currently contains roughly 130 species, was established by Michel Adanson in 1763. Species in the genus grow like leafless mini- shrubs or tassels anchored on bark or twigs.
Usnea galapagona is a species of beard lichen in the family Parmeliaceae. [2] It is endemic to the Galápagos Islands. The lichen is easily recognized by its special structure. It has a tough, glass-like outer layer, a thick central core, and a very faint, almost invisible inner layer. This lichen stands upright and has a reddish colour near ...
Usnea glabrescens is a species of beard lichen in the family Parmeliaceae. It grows on bark , has a shrubby thallus with a blackened base, and a thick cortex . Several chemotypes of this species have been reported.
Usnea glabrata is a species of beard lichen in the family Parmeliaceae. It was first described as a variety of Usnea plicata by Erik Acharius. Finnish lichenologist Edvard August Vainio transferred it to the genus Usnea in 1915. [2] The lichen grows on bark and is widespread throughout Europe, although it is probably locally extinct in a few
Usnea pallidocarpa is characterised by its shrubby, erect appearance and a thallus (the body of the lichen) that typically measures between 5 and 7 cm in length. This lichen originates from a holdfast , which is the anchoring part of the lichen, appearing either unpigmented or with a brownish hue.
Usnea lambii is a small species of fruticose lichen in the family Parmeliaceae. [2] It was first formally described as a new species in 1954 by Henry Imshaug . It has a bipolar distribution, that is, it occurs at both of Earth's polar regions .