Chaves, José Luis; Umaña, Loengrin; Lucking, Robert; Sipman, Harrie J.M.; Aptroot, André
(2006)
A new species of Heterodermia from Costa Rica and Venezuela, in honour of the
Spanish Ambassador in Costa Rica, Juan José Urtasun Erro. The new species Heterodermia
urtasuni Chaves, Umaña & Sipman is described from Costa ...