lichen portal.org and ways of enlichenment helped me to narrow the ID down at least to genus

Sorry for the quality of the photo -I had an alternative probability of the crustose genus Trapeliopsis

substrate is tree bark

Ocorrência do organismo vivo registrada no Parque Zoobotânico da Universidade Federal do Acre - Ufac: um corredor ecológico com cerca de 144 hectares, constituindo a maior área verde dentro do perímetro urbano.
9h29min.

Occurrence of the living organism registered in the Zoobotanical Park of the Federal University of Acre - Ufac: an ecological corridor with about 144 hectares, constituting the largest green area within the urban perimeter.