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Publication Date

Summer 2021

Abstract

Mycorrhizal with hardwoods, especially oaks; growing alone, scattered, or gregariously; summer and fall; widely distributed. Cap 5-10 cm, convex to broadly convex, whitish to light gray covered with erect fibrillose, black scales, margin hung with the remains of a partial veil. Pore surface buff and covered with a thin, whitish membrane when young, turning grayish to brown with age. Stem 4-10 cm long, buff, reticulate near apex, dark gray and shaggy when young with remains of partial veil. Flesh white throughout, turning reddish brown when sliced and/or bruised; no distinctive odor. DNA sequencing has detected 14 distinct lineages among Strobilomyces species. All 14 of the detected lineages share morphological characteristics making it difficult to definitively identify this species (Sato et al. 2007) In North America the name Strobilomyces strobilaceus has been used to replace what was previously called Strobilomyces floccopus (A European look-a-like). This name replacement has potential to be challenged because specimens included in North American collections were not a phylogenetic match to the European collections. (Kuo, 2013) It is likely there are new species of Strobilomyces on the North American continent, and identifications of this species should be seen as tentative until further studied using DNA sequencing. ID number: 05.44.01.2021

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Location: East Brook Valley, Walton, NY (BR - Betula Ridge)

Strobilomyces strobilaceus
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