''Malcolmiella'' 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 ...

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 Pilocarpaceae.

Taxonomy

The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

by Czech lichenologist

Antonín Vězda Antonín (Toni) Vězda (25 November 1920 – 10 November 2008) was a Czech lichenologist. After completing a university education that was postponed by World War II, Vězda taught botany at the Czech University of Life Sciences Prague, Czech U ...

1997, with ''Malcolmiella cinereovirens'' as the type, and only species. The generic name honours William McLagan Malcolm (born 1936), a New Zealand-born American botanist and botanical illustrator who specialised in

cryptogam A cryptogam (scientific name Cryptogamae) is a plant (in the wide sense of the word) or a plant-like organism that reproduces by spores, without flowers or seeds. The name ''Cryptogamae'' () means "hidden reproduction", referring to the fact ...

s. '' M. interversa'' was added as a second species in 2021 (transferred from genus ''

Lecidea ''Lecidea'' is a genus of crustose lichens with a carbon black ring or outer margin ( exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic An endolith or endolithic is an or ...

'').

References

Pilocarpaceae Lichen genera Lecanorales genera Taxa named by Antonín Vězda Taxa described in 1997 {{Lecanorales-stub