Fungi of California

The fungi most often spotted in California, ranked by recent research-grade observations.

245,401

recent observations

50

species listed

50

fungi

Naturalists have logged 245,401 research-grade observations across the 50 most-recorded species in California. The most frequently seen is the western jack-o'-lantern, with 14,847 recorded sightings.

Most-observed fungi in California

western jack-o'-lantern

Omphalotus olivascens

14,847 observations · iNaturalist

Trametes versicolor

14,182 observations · iNaturalist

Amanita muscaria

13,292 observations · iNaturalist

hairy curtain crust

Stereum hirsutum

9,741 observations · iNaturalist

Western Hardwood Sulphur Shelf

Laetiporus gilbertsonii

9,363 observations · iNaturalist

splitgill mushroom

Schizophyllum commune

8,953 observations · iNaturalist

Ramalina menziesii

8,495 observations · iNaturalist

yellow fieldcap

Bolbitius titubans

8,373 observations · iNaturalist

red-cage fungus

6,814 observations · iNaturalist

Lactarius alnicola

6,324 observations · iNaturalist

Naematelia aurantia

6,298 observations · iNaturalist

Leratiomyces ceres

6,268 observations · iNaturalist

Leratiomyces percevalii

6,259 observations · iNaturalist

6,139 observations · iNaturalist

Veiled Polypore

Cryptoporus volvatus

5,853 observations · iNaturalist

Amanita phalloides

5,783 observations · iNaturalist

Annulohypoxylon thouarsianum

Annulohypoxylon thouarsianum

5,542 observations · iNaturalist

Hypholoma fasciculare

5,238 observations · iNaturalist

springtime amanita

5,117 observations · iNaturalist

Green-spored Parasol

Chlorophyllum molybdites

5,040 observations · iNaturalist

Stubble Rosegill

Volvopluteus gloiocephalus

4,877 observations · iNaturalist

Gilled Polypore

Trametes betulina

4,613 observations · iNaturalist

Armillaria mellea

4,510 observations · iNaturalist

Coprinus comatus

4,375 observations · iNaturalist

Questionable Stropharia

Stropharia ambigua

3,894 observations · iNaturalist

Oak-loving Elfin Saddle

Helvella dryophila

3,679 observations · iNaturalist

Western Amethyst Laccaria

Laccaria amethysteo-occidentalis

3,300 observations · iNaturalist

Western Yellow-veiled Amanita

Amanita augusta

3,167 observations · iNaturalist

Evernia prunastri

3,118 observations · iNaturalist

Marasmius plicatulus

3,062 observations · iNaturalist

Amanita calyptroderma

3,016 observations · iNaturalist

Phaeolus hispidoides

Phaeolus hispidoides

2,928 observations · iNaturalist

Western Jumbo Gym

Gymnopilus ventricosus

2,890 observations · iNaturalist

hare's foot inkcap

Coprinopsis lagopus

2,635 observations · iNaturalist

Ganoderma brownii

2,604 observations · iNaturalist

2,601 observations · iNaturalist

Candlesnuff Fungus

Xylaria hypoxylon

2,600 observations · iNaturalist

Caulorhiza umbonata

2,532 observations · iNaturalist

Parrot Mushroom

Gliophorus psittacinus

2,460 observations · iNaturalist

Yellow-staining Milk Cap

Lactarius xanthogalactus

2,381 observations · iNaturalist

Agaricus xanthodermus

2,315 observations · iNaturalist

Pungent Slippery Jack

Suillus pungens

2,302 observations · iNaturalist

Pale Brittlestem

Candolleomyces candolleanus

2,283 observations · iNaturalist

Northern Red Belt

Fomitopsis mounceae

2,266 observations · iNaturalist

Toothed Jelly Fungus

Pseudohydnum gelatinosum

2,202 observations · iNaturalist

Suillellus amygdalinus

2,197 observations · iNaturalist

Tubaria furfuracea

2,196 observations · iNaturalist

Emery Rocktripe Lichen

Umbilicaria phaea

2,171 observations · iNaturalist

Cabbage Parachute

Gymnopus brassicolens

2,166 observations · iNaturalist

Yellow Cobblestone Lichen

Acarospora socialis

2,140 observations · iNaturalist

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