1. Hebeloma (Fr.) P. Kumm;Beker;Fungi Europaei,2016
2. Observations on Mycobiota in Estonia;Bresinsky;Folia Cryptog. Estonia,2006
3. Presence of Hydnellum species on pine heaths;Eilertsen,2014
4. Evans, S., Henrici, A., & Ing, B. (2006). Red Data List of Threatened British Fungi (2006). A preliminary unpublished assessment prepared by the British Mycological Society.
5. Rare and interesting fungi from the Vydra-Otava River Valley in the Šumava National Park (Bohemian Forest Czech Republic);Holec;Silva Gabreta,2004