Usnea is a genus of mostly pale grayish-green fruticose lichens that grow like leafless mini-shrubs or tassels anchored on bark or twigs.: 203  The genus...

Usnea filipendula, the fishbone beard lichen, is a pale gray-green fruticose lichen with a pendant growth form, growing in up to 20 cm many-branching...

Usnea is a species of beard lichen in the family Parmeliaceae. It was described as a new species in 1925 by Finnish lichenologist Edvard August Vainio...

Usnea scabrida is a foliose lichen that grows from holdfasts on trees. It occurs in southwest Western Australia. It is a very pale grayish-yellowish green...

Usnea Ridge (60°42′S 45°38′W / 60.700°S 45.633°W / -60.700; -45.633) is a ridge at an elevation of 100–160 m, extending north-northwest from Jane Peak...

Usnea scabrata, the straw beard lichen, is a pale grayish-yellowish green, slender, pendant, branching from the base, unequally branching, shrubby fruticose...

Usnea pallidocarpa is a species of saxicolous (rock-dwelling) beard lichen in the family Parmeliaceae. It is known from Argentina. The lichen was formally...

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...

Dolichousnea longissima (syn. Usnea longissima), commonly known by the names old man's beard or Methuselah's beard lichen, is a fruticose lichen in the...

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...