This species is known by its Smooth to rugose thallus, disc brown apothecia, apothecial margin pale to dark brown or blackish, ascospores 12–20 x 6–10 mm (Caceres, 2007, Breuss & Lucking, 2015).

Synonymy:
Lecidea fuscella Müll. Arg., Flora, Regensburg 64: 519 (1881)
Malcolmiella fuscella (Müll. Arg.) M. Cáceres & Lücking, in Cáceres, Libri Botanici 22: 105 (2007)

Due to all the previous information this species might be considered as Data Deficient (DD) until a better understanding.

This is species is known in only in Brazil according to GBIF database, with 23 records located in South, Southeast, Midwest, North and Northeast of Brazil. However, there are registers to Brazil and other countries to the synonyms of this species.

According to GBIF database, this is species occurs only in Brazil.

This species occurs in Tropical areas. In Brazil, this species can be found at the Atlantic Rainforest in Northeast, Midwest, South, and Southeast of Brazil, and at the Amazon Rainforest in North of Brazil.

In Brazil, this species commonly founded in Atlantic and Amazon Rainforest that are biomes that still suffer anthropic actions in special wildfire, natural and criminal caused, and area suppression.

In Brazil, the records are related to preserved areas, but unfortunately, those spaces still being affected by negatives influences. So, formal education to the population that lives near those areas and the park managers can start to change the situation.

Actions that are orientated to taxonomy and exploration to new sites need to be stimulated until a better understanding of this species status.