Amauroderma macrosporum is currently a synonym of A. aurantiacum (Gibertoni et al 2008). Macroscopically, this species is similar to A. calcigenum (Berk.) Torrend (1920: 18), but the
basidiospores of A. aurantiacum are distinctly ornamented and subglobose to globose (12–15 × 13–14 μm), while
finely ornamented and ellipsoid in A. calcigenum (11–) 12–15 × 9–12 μm.(Gomes-Silva et al 2015).
Why suggested for a Global Red List Assessment?
Species known in 3 countries. Most records are in Brazil.
Population and Trends
The species has 11 records distributed in 3 countries, most of them in Brazil.
Population Trend: Uncertain
Habitat and Ecology
Neotropical species. In Brazil, the species is found in Amazonia and Atlantic Forest.
Subtropical/Tropical Moist Lowland Forest
The species has few records and, in Brazil, it is found in the Atlantic Forest, a hotspot and in the Amazon (currently being deforested at the highest rates in recent decades).
Housing & urban areasShifting agricultureAgro-industry farmingSmall-holder plantationsAgro-industry plantationsRoads & railroadsUnintentional effects (species being assessed is not the target)Unintentional effects: subsistence/small scale (species being assessed is not the target) [harvest]Unintentional effects: large scale (species being assessed is not the target) [harvest]Increase in fire frequency/intensityHabitat shifting & alteration
There are records of occurrences that are not in a protected area.
Site/area protectionResource & habitat protectionHabitat & natural process restoration
It is necessary to study new areas of occurrence of the species using ecological niche modeling.