Clandestinotrema portoricense
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| Clandestinotrema portoricense | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Graphidales |
| Family: | Graphidaceae |
| Genus: | Clandestinotrema |
| Species: | C. portoricense |
| Binomial name | |
| Clandestinotrema portoricense Mercado-Díaz, Lücking & Parnmen (2014) | |
Clandestinotrema portoricense is a rare species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae.[1] Found in Puerto Rico, it was described as a new species in 2014. It is characterised by its white, slightly shiny thallus that can span several centimetres in diameter, and its rounded ascomata that are immersed in the thallus. Unlike most of its genus counterparts, C. portoricense possesses septated (partitioned) spores and a carbonised (blackened) excipulum and columella, effectively distinguishing it from similar species.
Clandestinotrema portoricense was first formally described by lichenologists Joel Mercado-Díaz, Robert Lücking, and Sittiporn Parnmen. The holotype, the initial specimen that serves as the basis for its description, was discovered by the first author in Canóvanas, Puerto Rico. The species name, portoricense, pays homage to the island of Puerto Rico, the locale of its discovery.[2]