I. Westringii. Westring's Isidium. Norway and Sweden.
Lecanora tartarea. Crotal, Crottle, Corkur, Corcir, Korkir. Found in the Scotch Highlands and Islands, growing on rocks; used for the manufacture of Cudbear in Leith and Glasgow.
L. parella. Light Crottle, Crabs Eye Lichen. Found in Scotland, France and England, on rocks and trees; formerly celebrated in the South of France in the making of the dye called Orseille d'Auvergne.
L. hæmatomma. Bloody spotted lecanora, Black lecanora. Found in Scotland on rocks and trees.
Lecidea sanguinaria. Red fruited lecidea. In Scotland, on rocks.
Nephroma parilis. Chocolate coloured nephroma. Scotland, on stones. Said to dye blue.
Parmelia caperata. Stone Crottle, Arcel. Found in North of Ireland and Isle of Man, on trees. Said to dye brown, orange lemon and yellow.
P. conspersa. Sprinkled parmelia. Found growing on rocks in England.
P. omphalodes. Black Crottle, Cork, Corker, Crostil or Crostal (Scotch Highlands). Arcel (Ireland). Kenkerig (Wales). Alaforel leaf (Sweden). Found on rocks, especially Alpine, in Scotland, Ireland, Wales and Scandinavia. One of the most extensively used dye lichens. It yields a dark brown dye readily to boiling water, and it is easily fixed to yarns by simple mordants. It is stated to yield a red, crimson or purple dye.