Fungi of California

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

247,049

recent observations

50

species listed

50

fungi

Naturalists have logged 247,049 research-grade observations across the 50 most-recorded species in California. The most frequently seen is the western jack-o'-lantern, with 14,856 recorded sightings.

Most-observed fungi in California

western jack-o'-lantern

Omphalotus olivascens

14,856 observations · iNaturalist

Trametes versicolor

14,252 observations · iNaturalist

Amanita muscaria

13,308 observations · iNaturalist

hairy curtain crust

Stereum hirsutum

9,765 observations · iNaturalist

Western Hardwood Sulphur Shelf

Laetiporus gilbertsonii

9,748 observations · iNaturalist

splitgill mushroom

Schizophyllum commune

8,979 observations · iNaturalist

Ramalina menziesii

8,604 observations · iNaturalist

yellow fieldcap

Bolbitius titubans

8,387 observations · iNaturalist

red-cage fungus

6,891 observations · iNaturalist

Leratiomyces ceres

6,495 observations · iNaturalist

Lactarius alnicola

6,338 observations · iNaturalist

Naematelia aurantia

6,304 observations · iNaturalist

Leratiomyces percevalii

6,262 observations · iNaturalist

6,143 observations · iNaturalist

Veiled Polypore

Cryptoporus volvatus

5,931 observations · iNaturalist

Amanita phalloides

5,806 observations · iNaturalist

Annulohypoxylon thouarsianum

Annulohypoxylon thouarsianum

5,556 observations · iNaturalist

Green-spored Parasol

Chlorophyllum molybdites

5,333 observations · iNaturalist

Hypholoma fasciculare

5,244 observations · iNaturalist

springtime amanita

5,122 observations · iNaturalist

Stubble Rosegill

Volvopluteus gloiocephalus

4,881 observations · iNaturalist

Gilled Polypore

Trametes betulina

4,633 observations · iNaturalist

Armillaria mellea

4,512 observations · iNaturalist

Coprinus comatus

4,384 observations · iNaturalist

Questionable Stropharia

Stropharia ambigua

3,896 observations · iNaturalist

Oak-loving Elfin Saddle

Helvella dryophila

3,680 observations · iNaturalist

Western Amethyst Laccaria

Laccaria amethysteo-occidentalis

3,303 observations · iNaturalist

Western Yellow-veiled Amanita

Amanita augusta

3,202 observations · iNaturalist

Evernia prunastri

3,144 observations · iNaturalist

Marasmius plicatulus

3,062 observations · iNaturalist

Amanita calyptroderma

3,017 observations · iNaturalist

Phaeolus hispidoides

Phaeolus hispidoides

2,977 observations · iNaturalist

Western Jumbo Gym

Gymnopilus ventricosus

2,891 observations · iNaturalist

hare's foot inkcap

Coprinopsis lagopus

2,644 observations · iNaturalist

Ganoderma brownii

2,622 observations · iNaturalist

2,608 observations · iNaturalist

Candlesnuff Fungus

Xylaria hypoxylon

2,604 observations · iNaturalist

Caulorhiza umbonata

2,533 observations · iNaturalist

Parrot Mushroom

Gliophorus psittacinus

2,463 observations · iNaturalist

Yellow-staining Milk Cap

Lactarius xanthogalactus

2,383 observations · iNaturalist

Agaricus xanthodermus

2,322 observations · iNaturalist

Pungent Slippery Jack

Suillus pungens

2,302 observations · iNaturalist

Northern Red Belt

Fomitopsis mounceae

2,291 observations · iNaturalist

Pale Brittlestem

Candolleomyces candolleanus

2,288 observations · iNaturalist

Toothed Jelly Fungus

Pseudohydnum gelatinosum

2,201 observations · iNaturalist

Tubaria furfuracea

2,198 observations · iNaturalist

Suillellus amygdalinus

2,198 observations · iNaturalist

Emery Rocktripe Lichen

Umbilicaria phaea

2,172 observations · iNaturalist

Cabbage Parachute

Gymnopus brassicolens

2,167 observations · iNaturalist

Yellow Cobblestone Lichen

Acarospora socialis

2,147 observations · iNaturalist

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