Order: Baeomycetales       Family: Baeomycetaceae Species: Baeomyces rufus Growth type crustose or squamulose Photos: On shaded acidic rock. Ballingeary, Cork, SW Ireland. Granular greenish-grey thallus, becoming sorediate or squamulose. Apothecia on pale, almost translucent stalks or furrowed and more/less sessile. Dull-pink to reddish brown hymenium. Asci are 8-spored, spores 0-1 septate, (7.5-)8-12(-14) x (2.5-)3-4(-5) µm. Thallus: K+ yellow, KC+ yellow, P+ orange, UV- Common throughout Ireland in damp shady situations; gravel, peat or sandy soils, acidic rocks. Host to Arthrorhaphis grisea Similar: Dibaeis baeomyces. K+ yellow turning orange, UV+ orange

     




Baeomyces rufus. On acidic rock, Ballingeary area, Co.Cork. December 2008