Taxon Profile:

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Family:

Boletaceae (Basidiomycota)

Primary Citation:

La flore des Vosges, Champignons
477. 1887

Accepted Name:

This name is currently accepted.

Description:

Diagnosis: Pileus dry, matte, subtomentose, microscopically a trichodermium. Context white or yellow, sometimes cyanescent. Hymenophore adnate or shallowly depressed or sometimes subdecurrent, yellow to olive bropwn, cyanescent or not, with angular pores. Tube trama 'phylloporoid' not gelatinizing. Stipe central rarely eccentric, dry, glabrous to longitudinally ribbed but if reticulate then at apex, sometimes minutely floccose-granulose. Spore deposit olive brown. Spores subfusoid to fusoid-elliptical, smooth with light microscopy, 'bacillate' with SEM. Hymenial cystidia present. Clamp connections absent.

Type species: Boletus subtomentosus L.:Fr., Syst. Mycol. 389. 1821.

Registration number: MB 18763

Ectomycorrhiza: Probably facultative in some species, but presumed with Fagaceae, Betulaceae, Nothfagaceae, Casuarinaceae, Pinaceae, Dipterocarpaceae, Myrtaceae, Caesalpiniaceae

Distribution: All continents (except Antartica).