Pseudopyrenula guianensis
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| Pseudopyrenula guianensis | |
|---|---|
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Dothideomycetes |
| Order: | Trypetheliales |
| Family: | Trypetheliaceae |
| Genus: | Pseudopyrenula |
| Species: | P. guianensis |
| Binomial name | |
| Pseudopyrenula guianensis Aptroot (2016) | |
Pseudopyrenula guianensis is a species of corticolous (bark-dwelling), crustose lichen in the family Trypetheliaceae.[1] It is known from lowland rainforest in northern South America, with records from French Guiana (type locality near Saül) and Suriname.[2]
The species belongs to the Pseudopyrenula subgregaria group (the smaller-spored, 3-septate Pseudopyrenula). It is distinguished within that assemblage by two features used by lichenologists for identification: a clear but oil-dotted internal matrix (a hyaline hamathecium with inspersion) and the presence of the fluorescent compound lichexanthone in the thallus. The type collection was made in 1986 near Saül, French Guiana.[2]