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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 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 sphacelata is a
species of
saxicolous (rock-dwelling),
fruticose lichen in the
large family Parmeliaceae. It is
found in both
polar regions of Earth...
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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...
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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 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...
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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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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...
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Usnea tri****a,
commonly known as bony
beard lichen, is a pale straw-colored
fruticose lichen with a
pendant growth form. It
grows on
trees and is native...
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Usnea lambii is a
small species of
fruticose lichen in the
family Parmeliaceae. It was
first formally described as a new
species in 1954 by
Henry Imshaug...
