Olive brown velvety cap that is likely somewhat sun bleached. Yellow pores that blue. Smooth/misc. white stem with slight ribbing/netting only at the apex. Whitish context—no staining except mild reddening in the base. Yellow basal mycelium. Mild taste. On ground under ponderosa pine, white pine, spruce, Douglas fir and gambel oak.

Species Lists

External Links


An unrooted phylogenetic tree of the Xerocomus subtomentosus complex using sequences from Taylor et al. 2006 and Taylor et al. 2007 indicates that the subject is one of two undescribed North American taxa which are closely related to the European taxon Xerocomus ferrugineus (=Xerocomus spadiceus ac...

Proposed Names

29% (1)
Based on chemical features: Ammonia flashes green on cap then turns red brown
86% (1)
Recognized by sight: Velvety cap, bluing pores, no bluing context, ribbed stem, yellow basal mycelium, with conifers
Used references: see sequencing notes and phylogenetic tree

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= Observer’s choice
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