Cantharellus cyanoxanthus is only known from the type specimen collected at Binga in northern Democratic Republic of Congo. It is frequently misidentified from woodland, but instead is an inhabitant of equatorial forest. If it is restricted to the type locality then it could be highly threatened, but without further information it is not possible to tell whether it could be more widespread. Indeed with much suitable habitat in the region, if it were to be found elsewhere in further studies, then it could be Least Concern. Given the high levels of uncertainty C. cyanoxanthus is assessed as Data Deficient.
Why suggested for a Global Red List Assessment?
This species is only known from the type specimen collected at Binga, northern Democratic Republic of Congo (Buyck et al. 2020). Records from woodland habitats are thought to be in error (see Buyck et al. 2013).
Population and Trends
There is no quantitative information regarding population size and trends
Population Trend: Uncertain
Habitat and Ecology
This species is described as having been collected in dry forest (see Hienemann 1958).
Subtropical/Tropical Dry Forest
Without further information regarding the full range of the species it is not possible to accurately assess what threats may be impacting it.
Further research is needed to relocate this species, and to try to get an idea of its full distribution. Such work needs to be careful to avoid misidentifications, as it has been misapplied to collections made in woodlands (Buyck et al. 2013).