This species is only confirmed from the type locality, collected c.150 years ago. It is not possible to accurately assess its extinction risk based on the current information. Therefore, Cantharellus pruinosus is assessed as Data Deficient.
This species is thought not to be cantharelloid (see Petersen 1976), and it looks like a white Clitocybe (I. Olariaga Ibarguren in litt. 2022).
Why suggested for a Global Red List Assessment?
This species is only confirmed from Sageville [now Lake Pleasant], New York, USA (Peck 1875). Records from the Iberian peninsula (Fragoso Natário 2009, Magarzo et al. 2023) are excluded because they are such a large distance from the original type locality and come from very different habitat (woodland compared to pastureland).
Population and Trends
The overall population size and trend are unknown.
Population Trend: Uncertain
Habitat and Ecology
This is a summer-fruiting species that is associated with grassland, having been collected from pastures (Peck 1875).
Without further information it is not possible to assess what threats this species may face.
Further taxonomic research is required to elucidate the taxonomic status of this concept, and if shown to be a good species then surveys to locate additional specimens and get a clearer indication of its range and population will be important.