Biology:Anomomorpha tuberculata

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Short description: Species of lichen

Anomomorpha tuberculata
Scientific classification
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Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Graphidales
Family: Graphidaceae
Genus: Anomomorpha
Species:
A. tuberculata
Binomial name
Anomomorpha tuberculata
Lücking, Umaña & Will-Wolf (2011)

Anomomorpha tuberculata is a species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae.[1] Found in rare cerrado vegetation in southern Costa Rica, it was described as new to science in 2011. It is characterised by its conspicuous [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] on the thallus and sessile [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]].

Taxonomy

Anomomorpha tuberculata was first formally described by lichenologists Robert Lücking, Loengrin Umaña-Tenorio, and Susan Will-Wolf in 2011. The type specimen was collected in Costa Rica, specifically in the Cerro Biolley Section of La Amistad International Park, at an altitude between 1,300 and 1,400 m (4,300 and 4,600 ft). The species epithet tuberculata refers to the prominent [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] on the thallus.[2]

This lichen species is placed in the genus Anomomorpha due to its non-[[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] lirellae with strongly [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] hymenium and minute ascospores. However, it deviates from other species in the genus because of its sessile lirellae and the absence of secondary substances. The large tubercles formed on the thallus are also unique within the Graphidaceae, making Anomomorpha tuberculata a distinct species.[2]

Description

The thallus of Anomomorpha tuberculata can reach up to 10 cm (4 in) in diameter. Its surface is uneven and grey to pale brownish or yellowish grey, featuring numerous large tubercles. These tubercles are orbicular with a constricted base and consist of numerous [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]], angular plates ([[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]) that eventually break off to expose a soredia-like surface.[2] A similar type of [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]-like schizidia also occurs in the Malaysian species Myriotrema squamiferum.[3]

Apothecia are angular-rounded to elongate and sessile, with a thick and prominent [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]. The [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] is grey-brown with white [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]], giving it a grey-pruinose appearance. [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] are ellipsoid, 3-septate, and colourless, measuring 7–10 by 5–6 μm.[2]

No secondary substances have been detected in Anomomorpha tuberculata.[2]

Habitat and distribution

Anomomorpha tuberculata has been found in the rare cerrado vegetation in the southern part of Costa Rica, specifically in La Amistad International Park. Additional specimens have been discovered in Alajuela, Costa Rica, as well as in Venezuela and Guyana.[2]

References

Wikidata ☰ Q18352532 entry