Arcangeliella desjardinii Thiers
Sydowia 37: 300. 1984.

Photo: MGW71 (June 1985) vouchered at SFSU

Common Name: none

Synonym: Gastrolactarius desjardinii (Thiers) J.M. Vidal

• Sporocarp

  Basidiocarps secotioid, with a stipe and percurrent columella; colored dark brown, olive brown, greyish brown, greyish orange to yellowish white; 3-5 cm broad. Latex white, copious, and unchanging; staining gleba brownish, pinkish, or reddish on drying. Gleba exposed, irregularly laminate to chambered, anastomosing and contorted; pale yellow to buff. Odor none to mild. Taste mild to slightly mealy or bitter.

• Stipe

  Stipe 2-4.5 cm long, 1-2 cm broad; colored like the pileus or paler; context whitish.

• Spores

  Spores 7.5-10.5 µm X 6.5-9.5 µm, globose to subglobse, ornamentation an amyloid complete or broken reticulum.

• Habitat

  Solitary to gregarious; epigeous; known from mixed hardwood-coniferous forests in Mendocino and Sonoma Counties.

• Edibility

  Unknown.

• Comments

  Arcangeliella desjardinii can be differentiated from the only other Arcangeliella known to grow in coastal California, Arcangeliella variegata, by the pinkish staining of the gleba by the latex and its lack of an acrid taste.

• References

  Thiers, H.D. (1984). The Genus Arcangeliella Cav. in the Western United States. Sydowia 37: 296-308.
  

• Other Descriptions and Photos
  • Herb Saylor: Notes on MGW71: Arcangeliella desjardinii (PDF)
  • Herb Saylor: Key to Arcangeliella in California (PDF)
  • Herb Saylor: Arcangeliella desjardinii (CP)
  • Douglas Smith: Arcangeliella desjardinii (CP)
  • Michael Wood: Arcangeliella desjardinii (CP)
  • MushroomExpert.com: Arcangeliella desjardinii (D & CP)
  • Mushroom Observer: Arcangeliella desjardinii (CP)
  
  

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