Clavariadelphus americanus

https://www.mushroomexpert.com/Clavariadelphus_americanus.html

Ecology: Mycorrhizal with oaks and pines; growing scattered or gregariously; summer and fall; widely distributed in eastern North America.

Fruiting Body: 3-15 cm high; up to about 3 cm wide at the apex; cylindric or narrowly club-shaped at first, becoming more broadly club-shaped with age; dry; initially smooth, becoming shallowly wrinkled; orangish buff when young, darkening to orangish brown or cinnamon brown; flesh whitish, sometimes staining brownish in places when sliced.

Odor and Taste: Not distinctive.

Chemical Reactions: Surface negative with KOH, greenish with iron salts.

Spore Print: White.

Microscopic Features: Spores 8-12 x 4-6 ; broadly egg-shaped; smooth.

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