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How to Identify Blackening Waxcap

Artomyces pyxidatus
EDIBLE* Season // Aug-Oct Family // Hygrophoraceae

Description

Artomyces pyxidatus is a small, waxy mushroom characterized by its dark brown to black cap that can appear shiny when moist. The gills are closely spaced and white to pale yellow, and the stem is slender and often has a slightly swollen base.

Key Identification Features

Field marks recorded for this species. Work through all of them, not just one:

  • Dark brown to black, shiny cap
  • Closely spaced, white to pale yellow gills
  • Slender stem with a slightly swollen base
  • Waxy texture
  • Grows in clusters or solitary

Specimen Profile

FamilyHygrophoraceae
GenusArtomyces
EdibilityEdible*
Toxicitynone
SeasonAug-Oct
HabitatTypically found in grassy areas, often in mossy or sandy soils, and sometimes in association with decaying wood.
RegionWidely distributed in temperate regions, particularly in North America and Europe.

Habitat & Distribution

Habitat: Typically found in grassy areas, often in mossy or sandy soils, and sometimes in association with decaying wood.

Region: Widely distributed in temperate regions, particularly in North America and Europe.

Seasonality

Fruits from late summer to early autumn.

Typical months: Aug-Oct

Common Lookalikes

Always verify identification to avoid these similar species. The differentiator is the point — learn the one or two tells that separate them:

Hygrocybe conica (edible)

HOW TO TELL APART

distinguishable by its conical cap shape and brighter colors

Hygrophorus spp. (various statuses)

HOW TO TELL APART

generally have more vibrant colors and different gill spacing

Mycena spp. (various statuses)

HOW TO TELL APART

typically have a more delicate structure and different cap shapes

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Track your Blackening Waxcap finds

Pin the patch before you leave it. Coordinates, photos, and field notes stay on your device — and the offline lookalike guide travels with you into the deep woods.

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Disclaimer: This guide is for educational purposes only. Never consume a wild mushroom unless you are 100% certain of its identification.