Phaeocollybia sipei A.H. Sm.
Brittonia 9: 207. 1957.

Common Name: none

• Description

  For descriptions see Norvell & Exeter, Smith and Siegel & Schwarz

• Spores

  Spores 6–7.5 x 3.3–5 µm; spore deposit cinnamon brown.s

• Habitat

  Found under conifers in mature forests. In California known only from the far north-west part of the state.

• Edibility

  Unknown

• Comments

  "Macroscopically, P. sipei can be recognized by its (1) viscid convex-campanulate brownish orange to orange-brown cap with an acute to broad umbo, (2) yellowish to buff young gills, (3) usually hollow tan to orange stipe with thick cartilaginous rind and cord-like pseudorhiza, and (4) pseudorhiza weakly to strongly magenta in syringaldazine." (Norvell & Exeter).

• References

  Norvell, L. & Exeter, R.L. (2009). Phaeocollybia of Pacific Northwest North America. US Department of Interior, BLM: Salem, OR. 229 p. (PDF)
  Siegel, N. & Schwarz, C. (2024). Mushrooms of Cascadia: A Comprehensive Guide to the Fungi of the Pacific Northwest. Backcountry Press: Keeland, CA. 576 p.
  Smith, A.H. (1957). A contribution toward a monograph of Phaeocollybia. Brittonia 9: 195-217. (PDF)
  

• Other Descriptions and Photos
  Main Photo
  • Ron Exeter: Phaeocollybia sipei (CP)
  • Ron Exeter: Phaeocollybia sipei (CP)
  • Ron Exeter: Phaeocollybia sipei (CP)
  • Noah Siegel: Phaeocollybia sipei (CP)
  • Noah Siegel: Phaeocollybia sipei (CP)
  • iNaturalist: Phaeocollybia sipei (CP)
  • Humbolt Life: Phaeocollybia sipei (CP)
  
  

  (D=Description; I=Illustration; P=Photo; CP=Color Photo)