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Butyriboletus regius (Krombh.) Arora & J.L. Frank
Boletus regius Krombh.

Osservazioni sulle raccolte fotografate
La raccolta stata determinata dopo analisi macroscopica. La specie stata inserita recentemente nel nuovo genere Butyriboletus Arora & J.L. Frank:

The butter boletes (Boletus s.l. sect. Appendiculati) are an economically important group of ectomycorrhizal fungi whose basidiocarps have a yellow tube layer that often bruises blue, yellow reticulate stipe, mild flavor and firm yellow-tinged flesh that may or may not turn blue when exposed. Morphological characters and molecular data (ITS and LSU) place this group in a separate phylogenetic clade from Boletus sensu stricto. Here we establish a new genus, Butyriboletus, to accommodate 14 species of butter boletes that range from Asia to Europe, north Africa and North America. Da Mycologia, 106(3), 2014, pp. 464480. DOI: 10.3852/13-052 Arora & J.L. Frank

Boletus regius foto 2
Foto 2 [IMG7957] - Canon EOS 7D, ob. EF-S 60mm f/2.8 Macro USM
Bosco di Malabotta, 1200m [M1], 01.IX.2018

Copyright 2018 Salvatore Saitta


Boletus regius foto 1
Foto 1 [IMG1349] - Canon EOS 7D, ob. EF-S 60mm f/2.8 Macro USM
Bosco di Malabotta, 1200m [M1], 07.X.2010

Copyright 2010 Salvatore Saitta