Ochrolechia

views updated

Ochrolechia (order Pertusariales) A genus of lichens in which the thallus is crustose. The apothecia are lecanorine. The spores are large, colourless, and aseptate. There are many species, found mainly on rocks and walls, sometimes also on bark. Some species were formerly used for dyeing cloth (see CUDBEAR).

More From encyclopedia.com