ExploreFungi

California Agaricus

agaricus californicus

The California Agaricus is a delightful mushroom that often pops up in gardens and forests. Kids can spot its white cap and learn how it helps nature by breaking down old plant material!

Habitat: California Agaricus thrives in forests, gardens, and grassy areas.

Appearance

The California Agaricus has a white to yellowish cap, often bruising yellow, and a robust white stem. Its gills start pinkish and darken to chocolate brown as spores mature, making it visually distinct from some edible look-alikes.

KingdomFungiPhylumBasidiomycotaClassAgaricomycetesOrderAgaricalesFamilyAgaricaceaeGenusAgaricus
California Agaricus
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California Agaricus

Category

Fungi

Rarity

Common

Danger

1/5 · Very low

Snaps

Be the first to snap!

Interesting facts

Despite its tasty-looking appearance, this mushroom will give you a tummy ache!

It smells distinctly like carbolic acid, sometimes compared to ink or phenol!

Its tiny spores, released by the billions, can travel far on the wind to grow new mushrooms.

Mushrooms are actually more closely related to animals than they are to plants!

Special abilities

Ability

Stinky Warning

California Agaricus releases a strong carbolic (ink-like) odor that helps warn animals it's not good to eat.

Ability

Hidden Web

California Agaricus has a vast underground network of mycelium that helps it break down nutrients in the soil.

Ability

Stomach Shield

California Agaricus can produce compounds that cause stomach upset, helping protect itself from hungry creatures.

Measurements & details

Height
5-10 cm
Edibility
poisonous
Cap Diameter
8-18 cm
Growth Substrate
soil
Season
Fall, winter, spring
Spore Color
Dark brown

Ecological connections

eaten by

Leopard slug

Limax maximus

Slugs sometimes munch on the mushroom's cap.

eaten by

Fungus gnat

Sciara coprophila

Their larvae feed on the mushroom's tissues.

depends on

Coast Live Oak

Quercus agrifolia

Decomposes fallen leaves and organic debris nearby.

Traits

Also known as

California MushroomGarden Agaricus

Collections

Safety

Danger

1/5 · Very low

Always ask an adult before picking or eating wild mushrooms!

Frequently Asked Questions

How tall is California Agaricus?

5-10 cm

Is California Agaricus edible?

poisonous

How big is California Agaricus?

8-18 cm

Where is California Agaricus usually found?

California Agaricus thrives in forests, gardens, and grassy areas.

What does California Agaricus grow on?

soil

When is California Agaricus in season?

Fall, winter, spring

What color are California Agaricus spores?

Dark brown

Snap Map

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Recent Snaps

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Where to spot

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