This species is known by its characterized bullate thallus, ridged to wrinkled and amphithecia concolorous with the thallus due to cortex of thalline exciple with 15–25 μm thick. (Kitaura et al., 2019).
Basionym: Collema corticola Taylor 1847
Why suggested for a Global Red List Assessment?
Due to all the previous information this species might be considered as Least Concern (LC) until a better understanding.
This is species is known in 29 countries. In Brazil, three occurrences to this species are known according to GBIF database.
Population and Trends
There are 892 records in GBIF database, distributed in The United States of America (666 records), Canada (54 records), Costa Rica (32 records), and the other occurrences are distributed in small percentages.
Habitat and Ecology
This species occurs in Tropical and Subtropical areas. In Brazil, this species can be found at the Atlantic Rainforest in Northeast, and South 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.
Tourism & recreation areasSmall-holder farmingAgro-industry farmingSmall-holder plantationsAgro-industry plantationsRoads & railroadsUnintentional effects (species being assessed is not the target)Increase in fire frequency/intensityHabitat shifting & alteration
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.
Resource & habitat protectionHabitat & natural process restorationFormal education
Actions that are orientated to taxonomy and exploration to new sites need to be stimulated until a better understanding of this species status.