Phil Bendle Collection:Placopsis (Placodioid lichen)

Kingdom:   Fungi
Division:    Ascomycota
Class:        Lecanoromycetes
Order:        Agyriales
Family:      Agyriaceae
Genus:       Placopsis
Species:     Placopsis

A placodioid lichen is a crustose lichen with a growth form that radiates out from a centre, sometimes peeling up at the ends of the radial arms to have a leafy form, but without a cortex on the underside, like a foliose lichen.

This Placopsis lichen was photographed on the Tongariro Alpine Crossing. Elevation 1525 m.
[1]

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/

---