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Onion-stalk parasol mushroom

Leucocoprinus cepistipes

A species of Leucocoprinus

This generalist mushroom, found across North America, can be found in all sorts of moist woodland settings. The species appears to be particularly fond of wood chips or mulch, and so it is often found in garden or park settings. The onion-stalk parasol mushroom, despite the word "onion" in its name, is inedible.

Cap Diameter:

3 - 7 cm

Odor:

Mildly earthy, generally pleasant.

General Info About Onion-stalk parasol mushroom

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Attributes of Onion-stalk parasol mushroom

Cap Diameter

3 - 7 cm

Height

5 - 10 cm

Cap

Cap 3 - 9 cm; egg-shaped to broadly convex; whitish to pale brownish; dry

Cap Shape

Bell-shaped, Flat, Central Bump

Cap Surfaces

Fibrillose-scaly

Gills

Free; close or nearly crowded; white, brownish

Gill Attachment

Free

Stem

Stem 6 - 9 cm long, 4 - 10 mm thick; equal, swollen slightly near the bottom; white

Stem Shapes

Cylindrical

Stem Cross Sections

Hollow or cottony hollow

Flesh

Very thin; whitish, unchanging when sliced

Ring

Bracelet-like; white

Ring

With Ring

Spore Print Color

White

Odor

Mildly earthy, generally pleasant.

Body Color

Brown

Yellow

Gray

White

Pink

Flesh Bruises

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

Growth Form

Scattered, Gregarious

Nutrient Gathering

Saprophytic

Species Status

Widely distributed

Endangered Species

How to Identify Onion-stalk parasol mushroom

Fruiting Body Cap Gills

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Habitat of Onion-stalk parasol mushroom

The onion-stalk parasol mushroom typically grows in wooded areas or woodlands, but it can appear in disturbed and unusual habitats such as gardens, flower beds, and flower pots. It feeds on woody debris, particularly woodchips.

Scientific Classification of Onion-stalk parasol mushroom

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Gilled fungi

Family

Agaricaceae

Genus

Leucocoprinus

Toxicity and Edibility of Onion-stalk parasol mushroom

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Is Onion-stalk parasol mushroom Toxic?

Onion-stalk parasol mushroom is often found in decomposing plant materials during warm seasons. Consuming this mushroom may lead to severe gastrointestinal distress, including stomach cramps, nausea, vomiting, and diarrhea. It is distinguishable by its white or pale color and slender onion-like stem. It's crucial not to confuse onion-stalk parasol mushroom with non-toxic varieties.

Type of poisoning

Gastrointestinal

Toxic Severity

Low to moderate toxicity

Incubation Period

0.5-4 hours

Poisoning Symptoms

Severe stomach cramps, nausea, persistent vomiting, and diarrhea. These symptoms can be particularly distressing and may lead to dehydration if not managed properly.