Physcia aipolia Physciaceae
Physcia aipolia

Growth type foliose
Chemical results: Cortex and medulla K+ yellow

Common on well-lit, nutrient-rich trees, often found in the nodes of twigs and branches.
Associated lichenicolous fungi include Syzygospora physciacearum

Whitish or pale bluish-grey thallus with very distinct pale pseudocyphellae on lobes and dark rhizines on under-surface. Abundant blackish, +/- pruinose apothecia. Spores 1-septate, brown, 18-24 x 7-10 Ám. Microscope photograph below.

Similar: Physcia stellaris. Lobes +/- without pseudocyphellae. Medulla K-


Physcia aipolia


Physcia aipolia


Physcia aipolia

Microscope photograph
Physcia aipolia, spores
Physcia aipolia
Studland and Kimmeridge, Dorset. 2012 and 2013

All images used are copyright. Please contact me if you find errors.