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Boletus rubriceps — king bolete of Colorado's subalpine spruce-fir belt. Ectomycorrhizal with Engelmann spruce and corkbark fir.
Peak: July – September · Elevation: 2,440–3,660 mMorchella spp. — honeycomb mushroom, especially prolific 1–3 years after wildfire. Largest flushes follow wet springs after burn years.
Peak: April – June · Elevation: 1,700–3,350 mCantharellus roseocanus — golden chanterelle of moist spruce-fir forests. Fruity apricot aroma, forked ridges (not true gills).
Peak: August – September · Elevation: 2,300–3,500 mTricholoma murrillianum — prized white matsutake in sandy lodgepole soils. Spicy cinnamon-like aroma; the partial veil ring is key.
Peak: September – October · Elevation: 2,000–3,100 mPleurotus populinus — saprotrophic fan-shaped oyster on dead and dying aspen. Grows in overlapping clusters on standing dead wood.
Peak: May – July · Elevation: 1,500–2,800 mHericium erinaceus — unmistakable white cascading spine fungus on dead hardwoods, especially oak and maple. No look-alikes.
Peak: August – October · Elevation: 1,500–2,600 mHypomyces lactiflorum — a parasitic mold that transforms Russula and Lactarius into vivid orange-red "lobsters." Found in mixed conifer.
Peak: July – September · Elevation: 2,000–3,200 m