''Placomaronea'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

lichen A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...

ized

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the family Candelariaceae. It has 6 species. The genus was

circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle. * Circum ...

by Finnish lichenologist

Veli Räsänen Veli Johannes Paavo Bartholomeus Räsänen (24 August 1888 – 16 July 1953) was a Finnish lichenologist who made contributions to the study and documentation of Nordic and Baltic lichen funga. As a lecturer at various agricultural institution ...

in 1944, with '' Placomaronea candelarioides'' assigned as the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

. The genus was revised by Martin Westberg and colleagues in 2009, who accepted six species in the genus. Two newly described species from Peru were added to the genus in 2025.

Species

*'' Placomaronea candelarioides'' – South America *'' Placomaronea fruticosa'' – Peru *'' Placomaronea fuegiana'' – southeastern South America *'' Placomaronea kaernefeltii'' – Chile *'' Placomaronea lambii'' – Peru; Ecuador *'' Placomaronea mendozae'' – Argentina; Peru;

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

(USA) *'' Placomaronea minima'' – Chile; Argentina; southern Africa *''

Placomaronea placoidea ''Placomaronea'' is a genus of lichenized fungi in the family Candelariaceae. It has 6 species. The genus was circumscription (taxonomy), circumscribed by Finnish lichenologist Veli Räsänen in 1944, with ''Placomaronea candelarioides'' assigned ...

'' – Peru

References

Candelariales Ascomycota genera Taxa described in 1944 Lichen genera Taxa named by Veli Räsänen {{Ascomycota-stub