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Mycena sect. Sacchariferae
Kühner ex Singer comprises six species in Europe: Mycena
adscendens (Lasch)
Maas Geest., M. alphitophora
(Berk.) Sacc., M. corynephora
Maas Geest., M. nucicola
Huijsman, M. occulta
Harmaja, and M. querciramuli
Robich.
| 1. Stipe springing from a basal disc
or with a bulbous base |
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2. Stipe with basal disc (although very
small) |
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3. Basidia 2-spored |
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4. Pileus white to grey,
lamellae narrowly adnate or forming a pseudocollarium,
cheilocystidia with a slender neck, clamps present:
M. adscendens |
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3. Basidia 4-spored |
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5. Pileus white, lamellae narrowly adnate,
cheilocystidia mostly with a slender neck, clamps
very rare, basal disc cystidia with acanthocysts.
On fruits of Corylus: M.
nucicola |
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5. Pileus white to greyish, lamellae
narrowly adnate or attached to a pseudocollarium,
cheilocystidia mostly with a slender neck, clamps
abundant, basal disc lacking acanthocysts. On fruits
of Corylus and fallen pericarps of Fagus:
M. adscendens
(4-spored form) |
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5. Pileus very pale blue, soon turning
white, lamellae narrowly adnate, cheilocystidia without
a neck, clampless. On conifer needles: M.
occulta |
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2. Stipe with bulbose base. Pileus cream
white with translucent centre. Lamellae adnate. Cheilocystidia
clavate or subpyriform: M. querciramuli |
| 1. Stipe without basal disc |
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6. Spores pip-shaped. Caulocystidia
cylindrical: M.
alphitophora |
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6. Spores globose. Caulocystidia mosty
clavate: M. corynephora |
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