Dothideomycetes Buelliella physciicola Growth type lichenicolous Photographs on Phaeophyscia orbicularis Commensal or parasitic on Phaeophyscia thallii on dry and well-lit rocks Ascomata are blackish, 0.2-0.3mm in diameter with +/- distorted blackish margins. The asci are mostly 8-spored, spores 1-septate, hyaline becoming pale brown, (12-)13-17 x 6-8.5 µm Micrographs below. Similar: Buelliella lecanorae is found on epiphytic Lecanora species. Pyrenidium actinellum occurs on Phaeophyscia but spores 3-septate

Micrographs



Buelliella physciicola
Photographs: Bramble Bay, Poole Harbour, Dorset. July 2024