Irish lichens
|
Order: Lecanorales Family: Ramalinaceae
Species: Bacidia biatorina Photos: Glengarriff woods, Co. Cork, SW Ireland. Provisional identification by Andy Acton, needs microscopic confirmation Thallus granular or granular-isidiate, pale grey-green, upper surface of granules often grey or brown. Apothecia are similar to those of B. laurocerasi but larger (to 1.3mm) orange-brown or black. The ascospores are longer, curved, 9-16 septate, 60-75 x 2.5-3 µm. Often sterile. Pycnidia rare, pale orange. Chemical reactions negative. Rare in Ireland, occurs on trunks of mature deciduous trees (often Oak) in old woods and former parklands. Similar: Sterile B. rubella has coarser granules, pale upper surface |
Bacidia biatorina April 2010