Abstract
Arthonia redingeri Grube, a new record from India. The taxon is characterized by its red coloured lirellate ascomata and transversely 3-septate, small ascospores with strongly pigmented lower septum. It is an interesting addition to the lichen flora of India and detailed taxonomic description with illustrations are provided herewith for easy identification of the taxon.
Keywords
Lichen flora, Ascospores, Psoromic acid, Khasi Hill, Stereomicroscope, Chromatography, Endophloeodal