''Punctelia fimbriata'' is a species of
foliose lichen in the family
Parmeliaceae. Found in Brazil, it was
formally described as a new species in 2007 by Luciana Canêz and Marcelo Marcelli. The
type specimen was collected in the
municipality of
Vicara in the southern Brazilian state of
Rio Grande do Sul
Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...
. There it was found growing on a tree trunk in an open field on an abandoned farm. It has a greenish-gray
thallus measuring up to in diameter. The
specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''fimbriata '' refers to the characteristic phyllidia of this species. Phyllidia are small,
corticate, scale-like,
dorsiventral structures that develop at the margins or on the upper surface of a lichen thallus. In ''Punctelia fimbriata'', these delicate structures at the margins of the thallus may become lobulate (lobe-like) in age, and develop a "fringed" (fimbriate) appearance.
References
fimbriata
Lichen species
Lichens described in 2007
Lichens of Brazil
{{Parmeliaceae-stub