Arora D, Frank JL (2014). "Clarifying the butter Boletes: a new genus, Butyriboletus, is established to accommodate Boletus sect. Appendiculati, and six new species are described". Mycologia. 106 (3): 464–80. doi:10.3852/13-052. PMID24871600. S2CID207708824.
Wood, Michael; Stevens, Fred. "Boletus regius". California Fungi. Archived from the original on 2011-06-06. Retrieved 2011-04-06.
nih.gov
pubmed.ncbi.nlm.nih.gov
Arora D, Frank JL (2014). "Clarifying the butter Boletes: a new genus, Butyriboletus, is established to accommodate Boletus sect. Appendiculati, and six new species are described". Mycologia. 106 (3): 464–80. doi:10.3852/13-052. PMID24871600. S2CID207708824.
semanticscholar.org
api.semanticscholar.org
Arora D, Frank JL (2014). "Clarifying the butter Boletes: a new genus, Butyriboletus, is established to accommodate Boletus sect. Appendiculati, and six new species are described". Mycologia. 106 (3): 464–80. doi:10.3852/13-052. PMID24871600. S2CID207708824.
web.archive.org
Wood, Michael; Stevens, Fred. "Boletus regius". California Fungi. Archived from the original on 2011-06-06. Retrieved 2011-04-06.