| Ikaeria serusiauxii | |
|---|---|
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| Apothecia of Ikaeria serusiauxii grown in full light, showing completely black margins | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Teloschistales |
| Family: | Teloschistaceae |
| Genus: | Ikaeria |
| Species: | I. serusiauxii |
| Binomial name | |
| Ikaeria serusiauxii Sipman (2020) | |
Ikaeria serusiauxii is a species of crustose lichen in the family Teloschistaceae. It is found in the Madeira Archipelago and Canary Islands (Macaronesia), as well as in coastal regions of Algarve and Estremadura in mainland Portugal, where it grows on twigs and branches of trees and shrubs. It was described as a new species in 2020 by lichenologist Harrie Sipman. The type specimen was found on Porto Santo Island, on the lower slopes of Pico do Facho, at an altitude of about 350 m (1,150 ft). Here it was growing on fallen pine trees. The specific epithet honours Belgian lichenologist Emmanuël Sérusiaux, "who contributed significantly to the exploration of the lichen diversity of Macaronesia".
Molecular phylogenetic analysis showed its close relationship to the Canary Island endemic Ikaeria aurantiellina, and so it was placed in Ikaeria, a genus circumscribed in 2017.
References
- ^ Sipman, Harrie; Aptroot, André (2020). "Ikaeria serusiauxii, a new Caloplaca-like lichen from Macaronesia and mainland Portugal, with a lichen checklist for Porto Santo". Plant and Fungal Systematics: 120–130. doi:10.35535/pfsyst-2020-0006.
- Kondratyuk, S.Y.; Lőkös, L.; Upreti, D. K.; Nayaka, S.; Mishra, G.K.; Ravera, S.; Jeong, M.-H.; Jang, S.-H.; Park, J.S.; Hur, J.-S. (2017). "New monophyletic branches of the Teloschistaceae (lichen-forming Ascomycota) proved by three gene phylogeny". Acta Botanica Hungarica. 59 (1–2): 71–136. doi:10.1556/034.59.2017.1-2.6. hdl:10447/414429.
| Taxon identifiers | |
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| Ikaeria serusiauxii | |
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