Nylander, W. (1863) Lichenographiae Novo-Granatensis Prodromus. Acta Societatis Scientiarum Fennicae 7: 415-504
On bark of trees up to altit. 2200 metr. (coll. Lindig. 2640). From Villeta, altit. 2000 metr., given in coll. Lindig. no 2690. Spores dark brownish/grayish brownish, 4-locular, ellipsoid, 0.027-30 millim. long, 0.010-12 millim. thick.
var. convexa Nyl.has convex apothecia, more prominent, spores 0.030-39 millim long, 0.012-17 millim. thick.Going up to altit. 2600 metr. (coll. Lindig 2572).