Morphology and specimen distribution of Clade 6 Russula salishensis (Woo sp. 39). BW followed by numerals designate Ben Woo samples. a Photo by B. Woo, BW575, scanned image from WTU. b Distribution of specimens of the Woo collections in Pacific Northwest. c–h Micromorphology, all 1000x magnification. c Spores in median optical section and surface view in Melzer’s reagent (c1–c2 BW575; c3–c4 BW599; c5–c6 BW721; c7–c8 BW1045; c9–c10 BW1062; c11–c12 BW1062). d Hymenial cystidium (BW731). e–f Basidia (BW1045, BW972). g–h Cap cuticle terminal cells with refringent contents (BW1045, BW713). Scale bars 10 µm