* Rinodina colobinoides (Nyl.) Zahlbr. (1931: 499) .

Characterized by the thalline and apothecial tissues containing a yellow pigment which reacts K+ purple, the entirely leprose thallus (blastidiate) and the Pachysporaria - type ascospores developing with type A ontogeny. It is an oceanic species with a tropical and subtropical distribution, known from tropical South America, the Caribbean and India (Giralt et al. 1995). This species also occurs in Europe [Portugal (Giralt 2010) and the British Isles (Hitch 1995)], Macaronesia [Azores (Rodrigues & Aptroot 2005) and Cape Verde Islands (Giralt et al. 2008)] and North America [coastal plains of the Gulf of Mexico (Sheard 2010, Tucker 1979)].

Material examined: ― GUATEMALA. (C) Guatemala ciudad: NNW of Guatemala ciudad, Mixco Viejo, scattered mixed trees (mainly Mimosaceae) and a few stones among Maya monuments, on Acacia, 870 m, 14° 52.4' N, 90° 39.7' W, 28 July 2004, P. & B. van den Boom 33174, 33175 (hb. v.d. Boom).