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Usnea is a
genus of
mostly pale grayish-green
fruticose lichens that grow like
leafless mini-shrubs or t****els anc****d on bark or twigs.: 203 The genus...
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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 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...
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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...
- Krempelh.
Usnea australis Fr.
Usnea baileyi Zahlbr.
Usnea barbata Fr.
Usnea barbata f.
ceratina Ach.
Usnea barbata f.
florida Fr.
Usnea barbata var. articulata...
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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...
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species of ferns, Lycopodium, lichens, and orchids. Old man's
beard (
Usnea barbata)
hanging from
branches adds to the
beauty of the forests.
About 16 of...
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Usnea intermedia, the
western bushy beard, is a grayish-yellowish pale green,
irregularly much-branching,
stiff shrubby fruticose lichen commonly anc****d...
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Usnea florida is a
species of
beard lichen in the
family Parmeliaceae. It was
first described by Carl
Linnaeus in his 1753 work
Species Plantarum. German...
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protective purposes when the
adults of the
species rest
against the
lichen Usnea barbata.
Hudson argued that when at rest on this
plant with its
hindwings hidden...