An extremely rare mycorrhiza-species with Corylus confined to calcareous, semi-open, xerothermic forests. Very few known localities in Europe and confined to a rare and threatened habitat.
Mediterranean species with few scattered occurences further north.
Bon, M.; Chevassut, G. 1989. Agaricomycètes de la région Languedoc-Cévennes - 4. Documents Mycologiques. 19(75):25-46.
Fröslev, T. & Jeppesen, T. 2007. Interesting species of Cortinarius subgenus Phlegmacium from broadleaved forest in Scandinavia. Svampe 56: 43-56.