64 species
5 subspecies and varieties
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Mycena aciculaorange bonnet, coral spring mycena
Mycena adscendensfrosty bonnet
Mycena alnicolaalder Mycena
Mycena amictacoldfoot bonnet
Spores: ellipsoid spores (6--10 x 3.5--5.5 µm)
Mycena aurantiomarginatagolden edge bonnet
Distribution: Conifer forest along the Pacific Coast Known to be from Europe as well
Spores: ellipsoid, 7--9 x 4--5 µm, smooth and amyloid, and the cheilocystidia are club-shaped with numerous short projections, somewhat like a mace
Mycena capillaripespinkedge bonnet
Mycena cinerellamealy bonnet
Mycena citrinomarginatayellow-edged Mycena
Distribution: Wide variety of habitats, including under trees in forests and parks, among fallen leaves, in the midst of mosses, on rotting tree bark, and in city-dwellers’ lawns.
Spores: 8--12 x 4--5.5 µm
Mycena clavicularis
Habitat: Conifer needles
Spores: spores are medium-sized (7--10 x 3--5.5 µm)
Mycena epipterygia
Distribution: Occurs widely in northern North America, Europe, and Asia, and numerous varieties
Substrate: In the PNW, M. epipterygia occurs in small to somewhat larger groups in needle litter, or on twigs or wood.
Spores: 8--11 x 5--6 µm and the cheilocystidia are club-shaped with short projections
var. epipterygia – yellowleg bonnet, yellow-stemmed Mycena
var. griseoviridis – yellow-stemmed Mycena
var. lignicola – yellow-stemmed Mycena
Mycena filopesiodine bonnet
Mycena galericulatacommon bonnet, common Mycena, toque Mycena
Mycena galopusmilking bonnet, milky Mycena
Mycena haematopusburgundydrop bonnet, bleeding Mycena
Substrate: The fruitbodies grow in groups, often in loose clusters, on both hardwood and conifer logs and can get quite large (for a mycena).
Spores: spores are broadly ellipsoid, 7--12 x 4--7 µm
Mycena latifoliasideshoot bonnet
Mycena leptocephalanitrous bonnet
Mycena maculatareddish-spotted Mycena
Distribution: M. maculata grows in groups or clusters on wood of both hardwoods and conifers in North America and Europe, mostly on conifers in the PNW.
Spores: spores are ellipsoid, 7--10 x 4--6 µm, and, although not conspicuous, the cheilocystidia are of varied shape and often bear projections
Mycena megasporarooting bonnet
Mycena oregonensis
Distribution: Also occurs in Europe.
Substrate: conifer litter under Douglas-fir and other conifers
Mycena overholtsiilarge mycena
Distribution: M. overholtsii apparently is restricted to the mountains of western North America. M. overholtsii appears in the mountains in late spring to early summer on wet rotting stumps and logs recently exposed by, or still partially covered with, melting snow.
Spores: spores measure 5--8 x 3.5--4 µm, and the sometimes hard-to-see cheilocystidia are smooth, slender, and cylindrical or sometimes a bit club-shaped
Mycena pelianthinablackedge bonnet
Mycena pictacryptic bonnet
Mycena puralilac bonnet, lilac Mycena
Mycena purpureofuscapurple edge bonnet
Mycena rosellapink bonnet
Mycena sanguinolentableeding bonnet, terrestrial bleeding Mycena
Mycena strobilinoidesflame Mycena, red-orange Mycena
Distribution: It occurs less commonly elsewhere in northern North America and also in Europe. M. strobilinoides seems to be most common at mid-elevations in the mountains, often in association with pines.
Mycena stylobatesbulbous bonnet
Mycena subcananeutral gray Mycena
Mycena vitilissnapping bonnet
Mycena vulgariscommon Mycena