Morphology and specimen distribution of Clade 1 Russula phoenicea (Woo sp. 26). BW followed by numerals designate Ben Woo samples. a Photo by B. Woo, BW770, scanned image from WTU. b Distribution of specimens of the Woo collections in Pacific Northwest States and Provinces. c–h Micromorphology, all 1000x magnification. c Spores in median optical section and surface view in Melzer’s reagent (c1–c2 BW675; c3–c4 BW682; c5–c6 BW695; c7–c8 BW744; c9–c10 BW744; c11–c12 BW730). d Hymenial cystidium (BW695). e–f Basidia (BW706, BW744). g–h Cap cuticle terminal cells with refringent contents (BW695, BW682). Scale bars 10 µm