S. Huneck et al., ON THE CHEMISTRY OF LICHENS FROM TURKEY - STRUCTURE OF NEMETZON, THE PIGMENT OF THE APOTHECIA FROM HAEMATOMMA-NEMETZII, Zeitschrift fur Naturforschung. B, A journal of chemical sciences, 49(11), 1994, pp. 1561-1565
The lichens Haematomma nemetzii, a Ramalina species, and Tornabena scu
tellifera from Turkey have been analysed chemically. Nemetzon is a new
anthraquinone from the apothecia of Haematomma nemetzii.