Three new species of crustoseTeloschistaceaein Siberia and the Far East

Abstract

AbstractThree species of the familyTeloschistaceae(lichenized Ascomycota) are described as new to science from Southern and Eastern Siberia and the Far East. CorticolousCaloplaca savicziibelongs to the genusCaloplacas. str.; it hasC. cerina-like apothecia and green to grey-green, crateriform soralia with a white rim.Lendemeriella aureopruinosais a saxicolous taxon with a thin grey thallus and small apothecia 0.3–0.6 mm in diameter, with a dark orange disc usually bearing epipsamma and often with a grey true exciple containing the pigment Cinereorufa-green.Orientophila infirmais a corticolous species with an endophloeodal thallus and small orange apothecia, 0.2–0.3 mm in diameter, usually with an inconspicuous thalline exciple. All new taxa presumably have a boreal north-eastern distribution in Asia.