Boletus mirabilis (Murrill) Murrill
admirable bolete
Boletaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

Photograph

© Simon Chornick     (Photo ID #22691)


Map

E-Flora BC Static Map

Distribution of Boletus mirabilis
Click here to view the full interactive map and legend

Species Information

Odor:
acid or mild (Thiers), pleasant (Phillips)
Taste:
not distinctive (Thiers), pleasant (Phillips)
Microscopic:
spores 18-24 x 7-9 microns, spindle-shaped to elliptic, smooth, (Arora), spores 18-22 x 7-9 microns, subfusoid to subelliptic, smooth, dark brown in Melzer's, ochraceous in KOH, thick-walled; basidia 4-spored, 31-36 x 7-11 microns, clavate, colorless; hymenial cystidia scattered to numerous, 60-90 x 10-18 microns, fusoid-ventricose with obtuse to elongated apices, colorless, thin-walled; clamp connections absent, (Thiers)
Spore Deposit:
olive brown (Arora, Thiers)
EDIBILITY
choice (Thiers), delicious, some have a distinct lemony flavor, avoid specimens attacked by Hypomyces, (Arora)

Habitat and Range

SIMILAR SPECIES
Boletus fibrillosus has a fibrillose brown to dark brown cap, grows on the ground, and has smaller spores, (Bessette).
Habitat
single or in small groups "on or near rotting conifers, (especially hemlock), but sometimes appearing terrestrial", (Arora), single to scattered in soil in coastal forests, typically with hemlock logs and stumps, (Thiers), summer and fall (Miller)

Synonyms

Synonyms and Alternate Names:
Xerocomus mirabilis (Murrill) Singer