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Photo By Dan Molter

Yellow gymnopilus

Gymnopilus luteus

A species of Rustgills

The yellow gymnopilus produces brown spores that tend to coat everything surrounding the mushroom. This mushroom often grows in large clusters on dead wood, though it can sometimes grow alone. It belongs to the Gymnopilus junonius species group, which is known to cause unpleasant side effects if consumed.

Cap Diameter:

2 - 10 cm

Odor:

Mild, typically not distinctive.

General Info About Yellow gymnopilus

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Attributes of Yellow gymnopilus

Cap Diameter

2 - 10 cm

Height

2 - 10 cm

Cap

Cap 2 - 10 cm; convex or nearly flat; yellow; dry, silky or finely hairy

Cap Shape

Convex, Flat

Cap Surfaces

Fibrillose-scaly

Gills

Broadly adnate; close; yellow, becoming rusty with maturity

Gill Attachment

Attached

Stem

Stem 2 - 8 cm long, up to 1.5 cm thick; equal, or club-shaped; cap-colored; finely hairy

Stem Shapes

Club Shaped

Stem Surfaces

Smooth to slightly fibrous

Flesh

Pale yellow

Ring

Near the apex; fragile

Ring

With Ring Zone

Spore Print Color

Rusty brown to orange-brown

Odor

Mild, typically not distinctive.

Body Color

Yellow

Orange

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Solitary, Gregarious

Nutrient Gathering

Saprophytic

Substrate

Dead Woods

Occurence Habitats

Deciduous Woodland, Coniferous Woodland

Species Status

Widely distributed in eastern North America

Endangered Species

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Habitat of Yellow gymnopilus

Yellow gymnopilus typically thrives on dead hardwood, occasionally on conifers too, favoring environments where wood debris and stumps abound.

Uses of Yellow gymnopilus

Yellow gymnopilus is known for its hallucinogenic properties due to psychoactive compounds. It's not widely popular for culinary use and carries legal and safety risks. Its collection is primarily for psychotropic research within legal boundaries. Seasonal availability may influence its accessibility, but caution is advised due to potential health hazards and legal implications.

Scientific Classification of Yellow gymnopilus

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Gilled fungi

Family

Hymenogastraceae

Genus

Rustgills

Similar Species to Yellow gymnopilus

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Jack-o'lantern mushroom

Similar Species

Yellow gymnopilus

How to Differentiate Between Jack-o'lantern mushroom and Yellow gymnopilus?

Yellow gymnopilus: Gills are attached to the stem.

Jack-o'lantern mushroom: Gills run down the stem (decurrent).

Golden bootleg

Similar Species

Yellow gymnopilus

Confusing Aspects of Golden bootleg and Yellow gymnopilus?

Both Yellow gymnopilus and Golden bootleg possess similar yellowish color and size, contributing to misidentification.

How to Differentiate Between Golden bootleg and Yellow gymnopilus?

Yellow gymnopilus: Commonly found on wood.

Golden bootleg: Typically grows in soil.

Sulphur tuft

Similar Species

Yellow gymnopilus

How to Differentiate Between Sulphur tuft and Yellow gymnopilus?

Yellow gymnopilus: Features gills of a bright orange-yellow hue.

Sulphur tuft: Has distinctly greenish-yellow gills.

Tips for Finding Yellow gymnopilus

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When is the Best Time to Find Yellow gymnopilus

Search for yellow gymnopilus in late summer to fall, after rainfall, when temperatures range from 55°F (13°C) to 75°F (24°C). Moist conditions without frost are most favorable for finding yellow gymnopilus.

What are Some Tips for Finding Yellow gymnopilus

Search near decomposing tree remains, such as stumps and logs, especially where hardwood is present.
Look for clusters or single instances of yellow gymnopilus on fallen branches or exposed roots in wooded areas.
Investigate gregariously occurring fungi, as yellow gymnopilus may be found growing in small groups.
Scan the forest floor for their distinct yellow coloration, which can help in visually spotting yellow gymnopilus.
Use a gentle touch to sift through leaf litter or debris that may obscure view of these mushrooms.

How to Clean and Preserve Yellow gymnopilus

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How to Clean Yellow gymnopilus

To clean yellow gymnopilus, gently brush off any debris or dirt from the cap and stipe using a soft brush. If necessary, slightly dampen a cloth and wipe the surface gently. Avoid soaking as it may cause water absorption and alter the physical structure.

Tips on Dry Preservation of Yellow gymnopilus

Drying Methods

Dehydrator Drying, Oven Drying, Air Drying

Drying Duration

6 - 12 months

Store in a dark, cool place, with low humidity and airtight containment to prevent rehydration.

Dehydrator drying: Provides controlled temperature to ensure uniform drying without spoilage.

Oven drying: A low consistent heat can quickly dehydrate the mushrooms preventing decay.

Air drying: Circulating air can naturally desiccate the mushrooms; works well in arid environments.

Common Questions People Also Ask

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