Cyphellostereum unoquinoum
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| Cyphellostereum unoquinoum | |
|---|---|
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Hygrophoraceae |
| Genus: | Cyphellostereum |
| Species: | C. unoquinoum |
| Binomial name | |
| Cyphellostereum unoquinoum Dal-Forno, Bungartz & Lücking (2017) | |
Cyphellostereum unoquinoum is a little-known species of basidiolichen in the family Hygrophoraceae.[1] It was first described as a new species in 2017 and is known only from a single location high in the humid forests of Floreana Island in the Galápagos. The lichen forms loose mats of green, hair-like threads that grow on moss-covered tree branches. Its closest genetic relative appears to be a species from Fiji.
Cyphellostereum unoquinoum was formally described as a new species by the lichenologists Manuela Dal-Forno, Frank Bungartz and Robert Lücking in 2017. The species epithet unoquinoum honours the Galápagos National Park, encoding its founding year 1959 via the Latin numerals unum (1), novem (9), quinque (5) and novem (9). The authors placed the species in Cyphellostereum, one of four genera in the Dictyonema clade of lichen-forming basidiomycetes recognised from the Galápagos Islands (the others are Acantholichen, Cora and Dictyonema). Phylogenetically, the species appears closest to material identified as C. phyllogenum from Fiji, showing that its nearest relative lies far outside the archipelago. Before molecular data were available, the type collection had been misidentified as Dictyonema galapagoense (now C. galapagoense), but differences in morphology and DNA sequences revealed it to be distinct.[2]