Boletus barrowsii
white king bolete

Distribution: Southwest United States

Habitat: Under ponderosa pines

Spores: midsummer

Conservation Status: Not of concern

Identification Notes:

Cap large, up to 25 cm across at maturity; convex, surface dry and fairly smooth, off-white to grayish buff. Tubes at first white, soon yellowish buff to olive from spore development; tube mouths (pores) olive-yellow at maturity; not staining at injury; tubes depressed where they meet the stalk. Stalk bulky, 6– 15 cm long × 3– 7 cm thick; whitish to dingy brown; upper surface decorated with distinct netlike veins. Flesh firm, whitish, not turning blue where exposed or injured; odor mild and pleasant; taste pleasant to nutty. Spores dark olive in print.


The species name honors New Mexico mushroom-hunter and artist, Chuck Barrows, who claimed to be an old bold mushroom-hunter, contrary to the oft-quoted statement that “There are old mushroom-hunters, and there are bold mushroom-hunters, but there are no old, bold mushroom-hunters.”

Sources: Trudell, Steve and Joe Ammirati. Mushrooms of the Pacific Northwest. Portland, Timber Press, Inc. 2009. Cripps, Cathy L., Vera S. Evenson, and Michael Kuo. Rocky Mountain Mushrooms by Habitat. Chicago, University of Illinois Press, 2016.

Accepted Name:
Boletus barrowsii Thiers & A.H. Sm.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Boletus barrowsii in the Consortium of Pacific Northwest Herbaria database

CalPhotos: Boletus barrowsii photos

3 photographs:
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