''Carestiella'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...]
in the family
Stictidaceae. It contains two species: ''
Carestiella socia'' and ''
Carestiella schizoxyloides''.
References
Ostropales
Lichen genera
Ostropales genera
Taxa described in 1897
Taxa named by Giacomo Bresadola
{{Ostropales-stub