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Usnea is a
genus of
fruticose lichens in the
large family Parmeliaceae. The genus,
which currently contains roughly 130 species, was
established by Michel...
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Usnea amblyoclada (Müll.Arg.) Zahlbr. (1930)
Usnea angulata Ach. (1814)
Usnea antarctica Du
Rietz (1926)
Usnea aranea Truong & P.Clerc (2016)
Usnea articulata...
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Ramalina usnea is a
species of
corticolous (bark-dwelling),
fruticose lichen in the
family Ramalinaceae. It
grows on tree bark
across the
Americas and...
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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...
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Usnea scabrata, the
straw beard lichen, is a pale grayish-yellowish green, slender, pendant,
branching from the base,
unequally branching,
shrubby fruticose...
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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...
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Usnea strigosa,
commonly known as
bushy beard lichen, is a
fruticose lichen in the
family Parmeliaceae.
Usnea strigosa has
worldwide distribution. It...
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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...
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Usnea patriciana is a rare
species of
fruticose lichen in the
family Parmeliaceae. It is
endemic to the Galápagos Islands. This
beard lichen has a shrubby...
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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...
