Hygrocybe olivaceoniger (P. D. Orton) M. M. Moser
Kl. Krypt.-Fl., Edn 3: 66. 1967.

Common Name: none

Synonym: Hygrophorus olivaceoniger P. D. Orton

• References

  Boertmann, D. (2010). The Genus Hygrocybe (2nd revised edition). Danish Mycological Society: Copenhagen, Denmark. 200 p.
  Largent, D.L. (1985). The Agaricales (Gilled Fungi) of California. 5. Hygrophoraceae. Mad River Press: Eureka, CA. 208 p.

• Other Descriptions and Photos
  • Largent (1985): p. 92 (D) (as Hygrophorus olivaceoniger)
  
  

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