Irish lichens

Stenocybe septata

Order: Mycocaliciales       Family: Mycocaliciaceae

Species: Stenocybe septata
Holly pins

Growth type crustose.
Photos: On Holly. Ballingeary, Co. Cork, SW Ireland.

Black, shiny, 'pinhead' apothecia to 2mm tall, the heads narrowly clavate, stalks to 0.15mm diameter. Occur singly or in small groups. The spores are mostly 3-septate, becoming reddish-brown.
Chemical reactions negative.

Widespread in Ireland, usually on Holly in old woodlands. Also on Birch, Oak, Rowan and Hazel, sometimes growing through the thallii of other lichens, e.g Graphis elegans and Thelotrema lepadinum.

Similar: Stenocybe pullata. Only found on Alder

Stenocybe septata

Stenocybe septata July 2010

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