Phlyctidaceae
Phlyctis agelaea

Growth type crustose
Chemical results: Thallus K+ yellow going red, C-, KC+ red, P+ orange, UV-

Rare, possibly overlooked on trunks and branches of young, smooth-barked trees in moist habitats. Rare on rocks.

Powdery to rough, thin, cracked thallus, whitish to pale-grey with a white prothallus. Usually fertile, greyish, white-pruinose apothecia +/- hidden in powdery-granular warts. Asci usually 2-spored, the colourless muriform spores becoming darker with age. Soralia absent.

Similar: Phlyctis argena, thallus sorediate, apothecia are rare.
Pertusaria multipuncta, discs more exposed, thallus K+ yellow


Phlyctis agelaea


Phlyctis agelaea
Phlyctis agelaea
Studland, Dorset. November 2013

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