Irish lichens

Skyttea nitschkei

Order: Ostropales       Family: Odontotremataceae

Species: Skyttea nitschkei

Lichenicolous fungus, parasitic on Thelotrema lepadinum
Photos: Glengarriff woods, Cork, SW Ireland. Identified by Andy Acton

Clusters of dark brown, urceolate ascomata (fruiting bodies) which usually turn the surrounding host thallus reddish-brown. The apothecia rim has smooth, straight hairs around the central pore and contains two main pigments. Dark reddish pigment most abundant in upper exciple below hairs, K+ bright aeruginose green, lower part of exciple K+ purple. Asci are 8-spored, the spores simple, 8-13 x 2-3(-4) Ám.

Only found on the thallus of Thelotrema lepadinum. Scattered records in Ireland, most abundant in old oceanic woodlands.

Skyttea nitschkei

Skyttea nitschkei
Skyttea nitschkei March 2010

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