How to identify Orange Mycena

To correctly identify Orange Mycena (Mycena aurantiomarginata), check each of these features in order. Misidentification is the most common cause of mushroom poisoning, so cross-reference multiple sources.

Step-by-step identification

1. 1

   Cap

   Shape, color, surface texture, and diameter.

   The Orange Mycena has an orange or yellowish cap that is typically bell-shaped or convex. The cap is often sticky or slimy when wet, and it can be up to 2 centimeters in diameter.

2. 2

   Gills

   Attachment to stem, color, and spacing.

   The gills of the Orange Mycena are white or cream-colored and they are adnate to the stem, meaning that they are attached to the stem along their entire length. The gills are typically crowded together.

3. 3

   Stem

   Length, shape, surface, and any ring.

   The stem of the Orange Mycena is slender and often curved. It is white, off-white, or gray, and it is typically smooth. The stem can be up to 5 centimeters long.

4. 4

   Flesh

   Color, texture, and bruising reaction.

   The flesh of the Orange Mycena is thin and fragile. It is white or cream-colored, and it has a slightly sweet taste.

5. 5

   Fruiting body

   Overall growth pattern.

   The fruit body of the Orange Mycena is small, delicate, and typically grows in clusters on dead wood. The mushroom can be up to 5 centimeters tall.

6. 6

   Habitat

   Where it grows and on what substrate.

   The Orange Mycena is commonly found growing on dead wood, such as logs, stumps, and branches. It is also sometimes found growing on the ground, especially in areas where there is a lot of decaying wood.

Key Facts

Cap surfaces

smooth, sticky

Growth Form

clustered

Spore Print

white

Body color

orange, white

Odor

sweet

Flesh bruises

no bruising

Height

2-5 cm

Cap Diameter

1-2 cm

Fruit body characteristics

• Gill attachment: adnate
• Stem shape: straight
• Stem surface: smooth
• Ring: none
• Stem cross-section: round

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