Homostegia piggotii Incertae sedis
Homostegia piggotii #

Lichenicolous fungus on Parmelia sulcata

Black stroma with embedded perithecia on thalli of Parmelia species. Most frequently recorded from western Scotland, Wales and SW England.

Spores are brown, 3-septate, 20-25 7-9 m.
Microscope photograph below.

Similar: Abrothallus parmeliarum is also found on Parmelia species. Spores brown, 1-septate, 12-18 x 5-7 m

Homostegia piggotii

Homostegia piggotii

Microscope photograph
Homostegia piggotii
Homostegia piggotii
On Parmelia sulcata. Studland Heath, Dorset. March 2015

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