E-Flora BC: Electronic Atlas of the Flora of British Columbia

Mycena elegantula Peck
no common name
Mycenaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

© Adolf Ceska  Email the photographer   (Photo ID #21527)

E-Flora BC Static Map
Distribution of Mycena elegantula
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Species Information

Summary:
Section Calodontes (Smith), Section Rubromarginatae (Maas Geesteranus); features include moist, striate cap that is dark vinaceous brown with brighter margin, whitish to grayish gills with pale pink to vinaceous edges, cap-colored stem, and growth on wood; Maas Geesteranus has cast some doubt on Smith's identification of this species by finding that three of the collections at random were not Mycena elegantula (one was Mycena renati), Perry(1) also found his M. elegantula specimens contained several taxa; in addition, Perry and Desjardin have redescribed what was usually being identified as M. elegantula or M. sanguinolenta in California as Mycena californiensis (q.v.) with Mycena elegantula Peck as a synonym; description here derived from Smith(1); according to Smith found at least WA, OR, ID, NS, CA, MI, NY, also recorded from BC (Gamiet), but Smith's species concept is questionable; Mitchel and A.H. Smith comment that there is intergradation between Mycena elegantula and M. purpureofusca - they also described a var. inflata from CO but said by A.H. Smith to occur in the Pacific Northwest and the northern Rockies, with stem color dull vinaceous like the cap margin or more purplish (no ochraceous tint evident) - Peck did not give the color of the stem but a variant with ochraceous to dull amber stem is also present in CO, (Mitchel)
Cap:
(0.5)1-2.5(5)cm across, obtusely conic remaining conic or becoming convex-umbonate to bell-shaped; dark vinaceous brown cap center with margin brighter vinaceous brown, fading to near avellaneous or retaining a strong pinkish tint; bald, moist, opaque, but becoming translucent-striate to disc at times before fading, becoming sulcate-striate [grooved] on margin
Flesh:
moderately thick and rather firm; pallid grayish to vinaceous
Gills:
bluntly adnate or hooked, close to subdistant, 16-22 reaching the stem, 2 tiers of subgills, gills narrow to moderately broad; whitish to grayish with pale pink to dingy vinaceous edges
Stem:
2-6(8)cm x 0.1-0.3cm, equal, fragile, cartilaginous; color variable but usually tinted like cap, "sometimes nearly white in age, sometimes with a strong pinkish tint"; polished and translucent, base white-strigose, stem bald otherwise
Odor:
not distinctive
Taste:
not distinctive
Microscopic spores:
spores 8-10(11) x 5-6.5 microns, but when 2-spored 10-12 x 5.5-7 microns, broadly elliptic, smooth, amyloid; basidia 4-spored and 2-spored; pleurocystidia "very rare or absent, similar to cheilocystidia", cheilocystidia scattered to fairly abundant, 40-75 x (5)8-15 microns, smooth or occasionally with two or three finger-like prolongations, clavate to fusoid-ventricose, contents usually pinkish
Spore deposit:
[presumably white]

Habitat / Range

single or gregarious or at times cespitose [in tufts], on decayed conifer wood, spring and fall

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
Taxonomic Information from the World Flora Online
Index Fungorium
Taxonomic reference: Bull. Torr. Bot. Club 22: 199. 1895 sensu A.H. Sm.

Additional Range and Status Information Links

Edibility

Additional Photo Sources

Related Databases

Species References

Smith(1), Gamiet(1), Perry(1) (discussing Mycena californiensis), Maas Geesteranus(1)

References for the fungi

General References