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How to Identify Rocky Mountain King Bolete

Boletus rubriceps
EDIBLE* Season // Jul-Oct Family // Unknown

Description

The Red-capped Bolete features a distinctive red to rose-red cap (7-20 cm) with smooth to slightly wrinkled surface. Pores are yellow from young age, aging to olive-yellow, with no bruising or slight yellowing. The yellow to pale yellow stem displays yellow reticulation and may show reddish tones toward base. Yellow flesh does not change color when cut or shows minimal yellowing. Spore print is olive-brown.

Specimen Profile

FamilyUnknown
GenusBoletus
EdibilityEdible*
Toxicityunknown
SeasonJul-Oct
HabitatMycorrhizal with hardwoods, particularly oak and sometimes chestnut, in mixed deciduous forests. Prefers warm climates and well-drained soils. Found in oak woodlands and riparian areas.
RegionSouthwestern United States, California, Arizona, New Mexico, Southern Rocky Mountains, Oak woodlands of the West

Habitat & Distribution

Habitat: Mycorrhizal with hardwoods, particularly oak and sometimes chestnut, in mixed deciduous forests. Prefers warm climates and well-drained soils. Found in oak woodlands and riparian areas.

Region: Southwestern United States, California, Arizona, New Mexico, Southern Rocky Mountains, Oak woodlands of the West

Seasonality

Summer through fall (July-October) with peak fruiting in August-September. Fruits during warm, humid weather following rainfall.

Typical months: Jul-Oct

Common Lookalikes

Always verify identification to avoid these similar species. The differentiator is the point — learn the one or two tells that separate them:

Boletus edulis

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white/tan cap, different habitat

Other red-capped boletes

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various species, mostly edible

Boletus sensibilis

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bruises blue strongly

Tylopilus species

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pink pores in bitter species

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Track your Rocky Mountain King Bolete finds

Pin the patch before you leave it. Coordinates, photos, and field notes stay on your device — and the offline lookalike guide travels with you into the deep woods.

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Disclaimer: This guide is for educational purposes only. Never consume a wild mushroom unless you are 100% certain of its identification.