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

Mycena aurantiomarginata (Fr.) Quel.
no common name
Mycenaceae

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

Introduction to the Macrofungi

© Michael Beug  Email the photographer   (Photo ID #18163)

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

Summary:
Section Calodontes (Smith), Section Luculentae (Maas Geesteranus); characterized by olive fuscous to yellowish olive moist cap, pallid to gray olive gills with bright orange margins, brownish to grayish olive stem, white spore deposit, and spiny cystidia; description derived from Smith(1) except where noted; found at least WA, OR, CA; reported from BC by Gamiet(1); Breitenbach(3) give distribution North America, Europe, North Africa
Cap:
0.8-2cm across, obtusely conic to bell-shaped becoming nearly flat; not hygrophanous, dark olive fuscous to yellowish olive on disc, margin orange shaded with fuscous; lubricous, faintly hoary-pruinose, soon polished, margin striate, becoming somewhat pleated when old
Flesh:
thin, rather pliant
Gills:
adnate or with a decurrent tooth, close, narrow becoming broad when old; pallid to grayish olive with edges bright orange
Stem:
3-6cm x 0.1-0.2(0.3)cm, rigid, cartilaginous, round in cross-section or compressed; "buffy brown" to "medal bronze" [light brownish to olive or grayish olive], sometimes tinged orange; bald except orange powder toward top, base strigose with orange hairs, (Smith), colored somewhat like cap (Trudell)
Odor:
not distinctive
Taste:
not distinctive
Microscopic spores:
spores 7-9 x 4-5 microns, elliptic, smooth, amyloid; basidia 4-spored; pleurocystidia and cheilocystidia abundant and similar, 28-36 x 7-12 microns, clavate to subcapitate [with a head], the tops sparsely or densely echinulate [with small spines], filled with a bright orange pigment
Spore deposit:
whitish cream (Breitenbach)

Habitat / Range

scattered, gregarious or subcespitose [more or less in tufts] under conifers on moss and needle carpets, (Smith), fall, often rather late, (Buczacki)

Synonyms and Alternate Names

Mycena elegans Fr. ex Pers.

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Edibility

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Species References

Smith(1) (colors in double quotation marks from Ridgway(1)), Courtecuisse(1)*, Maas Geesteranus(1), Breitenbach(3)*, Gamiet(1), Trudell(4)*, Buczacki(1)*

References for the fungi

General References