Order: Peltigerales Family: Collemataceae
Species: Leptogium schraderi
Photos: Muckross Abbey, Killarney, Co. Kerry, SW Ireland
Thickish dark olive-brown or reddish-brown thallus with turgid lobes forming +/- upright tufts. Lobes are ascending and cylindrical, often divided near base, glossy when wet, wrinkled to plicate when dry. Often densely granular-isidiate but apothecia are occasional with swollen entire or slightly granular margins.
Occurs on moss or soil in calcareous dunes, grassland and over limestone, also on mortared walls. Chemical reactions negative.
Similar: Leptogium plicatile and Leptogium turgidum.
Leptogium schraderi January 2010