Lecidella

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Lecidella
File:Lecidella elaeochroma Jymm.jpg
Lecidella elaeochroma
Scientific classification Edit this classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Lecanoraceae
Genus: Lecidella
Körb. (1855)
Type species
Lecidella viridans
(Flot.) Körb. (1855)
Synonyms[1]

Lecidella is a genus of crustose lichens in the family Lecanoraceae.

Taxonomy

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Lecidella was circumscribed by German lichenologist Gustav Wilhelm Körber in 1855.[2] It was not widely used until more than a century later, when Hannes Hertel recognized it first as a subgenus of Lecidea,[3] and then a couple of year after as a distinct genus.[4]

A phylogenetic analysis of the genus using 11 species (mostly from China) found that Lecidella species fall into three major clades, which were proposed as three informal groups: Lecidella stigmatea group, L. elaeochroma group and L. enteroleucella group.[5]

Description

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Lecidella species have a thallus that is crustose, and biatorine, meaning that it resembles the genus Biatora–having a proper exciple, which is not coal-black (carbonised, but coloured or blackening. It has eight-spored asci of the Lecidella type. The ascospores are simple and hyaline, while the conidia are curved and threadlike.[6]

Morphologically similar genera include Japewiella, Carbonea, and Tasmidella.[7]

Species

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Lecidella was estimated to contain about 80 species in a popular 2008 text,[8] a number that was used in a (2020) survey of fungal classification.[9] As of November 2024, Species Fungorum (in the Catalogue of Life) accepts 40 species in the genus.[10]

File:Lecidella asema - Flickr - pellaea.jpg
Lecidella asema
File:Lecidella stigmatea 62847035.jpg
Lecidella stigmatea

References

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