Gyalectidium laciniatum
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| Gyalectidium laciniatum | |
|---|---|
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Graphidales |
| Family: | Gomphillaceae |
| Genus: | Gyalectidium |
| Species: | G. laciniatum |
| Binomial name | |
| Gyalectidium laciniatum Lücking (2001) | |
 Holotype: Orosi Valley, Cartago Province, Costa Rica | |
Gyalectidium laciniatum is a species of lichen in the family Gomphillaceae.[1] It is a leaf-dwelling lichen known from Central and South America, including Costa Rica, Bolivia, and Brazil. The species is characterized by its distinctive irregularly fringed or cut reproductive structures that arise from crescent-shaped whitish crystalline bulges on the thallus surface, giving it an intermediate appearance between related species with simpler and more elaborate scale forms.
Gyalectidium laciniatum was described as a new species in 2001 by Robert Lücking. In the original account it was discussed as intermediate between Gyalectidium verruculosum and G. eskuchei, combining a crescent-shaped crystalline bulge at the base of the hyphophore scale (as in the former) with a more dissected, irregular scale form that approaches the "setose" appearance seen in the latter.[2]