Phylogenetic analyses shows the Sclerodermataceae, Boletinellaceae and Gyroporaceae appear to form a discrete group within the Boletales, and together with the Pisolithaceae, and the Astraceae, are grouped under the suborder Sclerodermatineae.
2.
The order Boletales originally was erected to describe boletes, but based on molecular phylogenetic evidence moved several physically dissimilar groups into Boletales, including the Sclerodermataceae ( earthballs ) and the Rhizopogonaceae ( false truffles ).
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