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 and Lichenochora aipoliae

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, 18-24 x 7-10 µm, green becoming brown. 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

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