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Mycena acicula

Mycena acicula

Common Name: Coral Spring Mycena

Synonyms: Hemimycena acicula, Marasmiellus acicula, Species Fungorum

Substrate: Ground on duff

Location: Hardwood Forests

Spore Color: White

Gill Color: Pinkish White

Microscopic Features: Spores 9-11 x 3.5-4.5

Edibility: Unknown. Too small to be of value.


One of the more beautiful Mycenas you are likely to encounter, even though it is fairly small in size. You can find this mushroom on the forest floor, growing from the lead litter or woody debris. It has a bell-shaped cap that fades from apinkish/reddish to yellow/orange near the margin. The surface of the cap may have a powdery bloom when the mushroom is young. The cap has striations that emanate from the center. 

The gills on this species are attached and have numerous lamellulae (short gills that do not traverse the length from the margin to the stem). The stem is yellow to yellow-orange, and often features many hairs near the base.


Ricknella fibula grows from mossy areas and has gills that run down the stem. The cap is also orange to orange-brown. Mycena strobilinoides has dark red gill edges and is typically a bit larger. Mycena amabilissima is bright red and fades to white and grows with confiers. Mycena leaiana grows directly from wood. Mycena oregonensis has a yellow to yellow-orange cap. Some species of Hygrocybe/Hygrophorus may appear similar but have a waxy feel to the cap and/or gills.


Mycena acicula

5/24/13 - Yellowwood State Forest - Brown County, IN