R. Guderley et al., Four new species of Lecanora sensu stricto (Lecanorales, Ascomycotina) from tropical South America, BRYOLOGIST, 103(1), 2000, pp. 139-144
The new species L. lichexanthona Guderley, L. notatica Guderley, L. rabdoto
ides Guderley. and L. xanthoplumosa Guderley are described from tropical So
uth America. All the new species have unusual chemistries. Confluentic, not
atic, and subnotatic acids present in L. notatica and norlichexanthone pres
ent in L. lichexanthona have not been reported previously for the L. subfus
ca group.