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Black-stalked Marasmius

Tetrapyrgos nigripes

A species of Tetrapyrgos

The tiny fruitbody of the black-stalked Marasmius (Tetrapyrgos nigripes) looks almost as if the cap and stem were cut and pasted from different mushrooms. This odd combination creates a memorable overall appearance. They are so small that they are rarely larger than the size of a bottle cap. They enjoy growing out of small items, such as twigs and leaves.

Cap Diameter:

1 - 2 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Black-stalked Marasmius

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Attributes of Black-stalked Marasmius

Cap Diameter

1 - 2 cm

Height

3 - 6 cm

Cap

Cap 5 - 20 mm across; convex, flat; white

Cap Shape

Convex, Flat

Cap Surfaces

Smooth

Gills

Adnexed, decurrent; distant; white; sometimes discoloring reddish

Gill Attachment

Attached

Stem

Stem 2 - 5 cm long, less than 2 mm thick; whitish, black; dry, covered with tiny white hairs

Stem Shapes

Cylindrical

Stem Surfaces

Smooth to slightly fibrous

Flesh

Thin; a little rubbery; whitish

Ring

Ringless

Spore Print Color

White

Odor

Mildly mushroomy but not distinctive.

Body Color

Black

White

Flesh Bruises

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

Growth Form

Solitary, Gregarious

Nutrient Gathering

Saprophytic

Substrate

Leaf or Needle Litter, Dead Woods

Occurence Habitats

Deciduous Woodland

Species Status

Widely distributed

Endangered Species

How to Identify Black-stalked Marasmius

Fruiting Body Cap Gills

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Habitat of Black-stalked Marasmius

The Tetrapyrgos nigripes can be found in mixed and deciduous forests. It grows on rotting wood - fallen decaying branches, twigs, and leaves.

Scientific Classification of Black-stalked Marasmius

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Gilled fungi

Family

Marasmiaceae

Genus

Tetrapyrgos

Similar Species to Black-stalked Marasmius

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Tips for Finding Black-stalked Marasmius

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What are Some Tips for Finding Black-stalked Marasmius

Inspect areas with abundant leaf litter and fallen twigs within hardwood forests.
Look for black-stalked Marasmius growing alone or in small clusters rather than in large groups.
Carefully move aside leaf litter to reveal any hidden black-stalked Marasmius.
Be gentle when exploring to avoid damaging potential black-stalked Marasmius specimens.

How to Clean and Preserve Black-stalked Marasmius

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Common Questions People Also Ask

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