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California flat-top agaricus

Agaricus deardorffensis

A species of Agaricus

The innocent-looking concave cap of the california flat-top agaricus (Agaricus deardorffensis) is very deceptive. So bland is its appearance that one might not suspect this mushroom is incredibly toxic! Its odor gives it away, which has been described as solvent-like. It can easily be confused with its non-toxic cousin, so use extreme caution when foraging. Misidentification can lead to a nasty belly ache.

Cap Diameter:

15 - 25 cm

Odor:

Mild, occasionally with a phenolic scent.

General Info About California flat-top agaricus

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Attributes of California flat-top agaricus

Cap Diameter

15 - 25 cm

Height

20 - 35 cm

Cap

Cap 15 - 25 cm across; convex to flat; brown to white; smooth; display light yellow when rubbed

Cap Shape

Convex, Flat

Cap Surfaces

Fibrillose-scaly

Gills

Free; close; pink, brown

Gill Attachment

Free

Stem

Stem 15 - 25 cm long, 1.5 - 2.5 cm thick; whitish

Stem Shapes

Cylindrical

Stem Surfaces

Smooth

Flesh

Firm; white; unchanging when sliced

Ring

Rubbery; white

Ring

With Ring

Spore Print Color

Dark brown

Odor

Mild, occasionally with a phenolic scent.

Body Color

Brown

White

Flesh Bruises

Discolor to yellowish

Growth Form

Solitary, Gregarious

Nutrient Gathering

Saprophytic

Substrate

On soil

You can find California flat-top agaricus by these plants:

Norway spruce

Occurence Habitats

Coniferous Woodland, Disturbed Lands

How to Identify California flat-top agaricus

Fruiting Body Cap Gills

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Habitat of California flat-top agaricus

The california flat-top agaricus can be found on the disturbed ground in mixed forests, open woods, and urban settings, such as roadsides. It prefers hard-packed soil and grows under conifers.

Scientific Classification of California flat-top agaricus

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Gilled fungi

Family

Agaricaceae

Genus

Agaricus

Toxicity and Edibility of California flat-top agaricus

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Is California flat-top agaricus Toxic?

The california flat-top agaricus is a toxic mushroom that causes mild to severe gastrointestinal upset if consumed. The most common symptoms of poisoning include nausea, vomiting, diarrhea, abdominal pain, and profuse sweating.

Similar Species to California flat-top agaricus

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Tips for Finding California flat-top agaricus

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What are the Ideal Soil Conditions for California flat-top agaricus

Prefers rich, well-drained soil.

What are Some Tips for Finding California flat-top agaricus

Look for california flat-top agaricus in wooded areas with conifer trees.
Search for california flat-top agaricus in locations where the ground has been recently disturbed.
Investigate the forest floor for clusters or small groups of california flat-top agaricus, as they rarely grow solitary.
Inspect areas with abundant organic matter, as california flat-top agaricus thrive in rich soil.
Be observant of ground conditions, favoring spots that are well-drained for finding california flat-top agaricus.

How to Clean and Preserve California flat-top agaricus

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Common Questions People Also Ask

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