Thelotrema lueckingii is a species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae.[1] Found in the laurel forests of Madeira, it was formally described as a new species in 2013 by Othmar Breuss. The species epithet honours German lichenologist Robert Lücking.[2]

Thelotrema lueckingii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Graphidales
Family: Graphidaceae
Genus: Thelotrema
Species:
T. lueckingii
Binomial name
Thelotrema lueckingii
Breuss (2013)

The lichen has a thick, yellowish-white to greyish-green thallus with a roughened to uneven surface texture. The medulla is white to yellowish. The apothecia, which are immersed in thalline warts, are up to 2 mm in diameter with an ostiole up to 0.5 mm wide. Ascospores number 2 or 4 per ascus (sometimes 6); they are fusiform (spindle-shaped) and muriform, measuring 55–110 by 15–28 μm.[2]

References

edit
  1. ^ "Thelotrema lueckingii Breuss". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 14 December 2022.
  2. ^ a b Breuss, O. (2013). "Byssoloma laurisilvae und Thelotrema lueckingii, zwei neue Flechtenarten aus Madeira" (PDF). Österreichische Zeitschrift für Pilzkunde (in German). 22: 99–105.