Fungi of California

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

Most-observed fungi in California

western jack-o'-lantern

Omphalotus olivascens

14,815 observations · iNaturalist

turkey-tail

Trametes versicolor

13,859 observations · iNaturalist

Fly Agaric

Amanita muscaria

13,242 observations · iNaturalist

hairy curtain crust

Stereum hirsutum

9,688 observations · iNaturalist

Western Hardwood Sulphur Shelf

Laetiporus gilbertsonii

9,224 observations · iNaturalist

splitgill mushroom

Schizophyllum commune

8,787 observations · iNaturalist

yellow fieldcap

Bolbitius titubans

8,356 observations · iNaturalist

lace lichen

Ramalina menziesii

8,332 observations · iNaturalist

red-cage fungus

Clathrus ruber

6,672 observations · iNaturalist

golden milkcap

Lactarius alnicola

6,310 observations · iNaturalist

golden ear

Naematelia aurantia

6,266 observations · iNaturalist

Chip Cherries

Leratiomyces ceres

6,259 observations · iNaturalist

Mulch Maids

Leratiomyces percevalii

6,248 observations · iNaturalist

Blewit

Collybia nuda

6,130 observations · iNaturalist

Deathcap

Amanita phalloides

5,752 observations · iNaturalist

Veiled Polypore

Cryptoporus volvatus

5,691 observations · iNaturalist

Cramp Balls

Annulohypoxylon thouarsianum

5,490 observations · iNaturalist

Sulphur Tuft

Hypholoma fasciculare

5,221 observations · iNaturalist

springtime amanita

Amanita velosa

5,111 observations · iNaturalist

Stubble Rosegill

Volvopluteus gloiocephalus

4,864 observations · iNaturalist

Gilled Polypore

Trametes betulina

4,552 observations · iNaturalist

Green-spored Parasol

Chlorophyllum molybdites

4,537 observations · iNaturalist

Honey Mushroom

Armillaria mellea

4,502 observations · iNaturalist

Shaggy Mane

Coprinus comatus

4,366 observations · iNaturalist

Questionable Stropharia

Stropharia ambigua

3,887 observations · iNaturalist

Oak-loving Elfin Saddle

Helvella dryophila

3,644 observations · iNaturalist

Western Amethyst Laccaria

Laccaria amethysteo-occidentalis

3,296 observations · iNaturalist

Western Yellow-veiled Amanita

Amanita augusta

3,143 observations · iNaturalist

Oakmoss

Evernia prunastri

3,103 observations · iNaturalist

red pinwheel

Marasmius plicatulus

3,060 observations · iNaturalist

Coccora

Amanita calyptroderma

3,015 observations · iNaturalist

Western Jumbo Gym

Gymnopilus ventricosus

2,884 observations · iNaturalist

Phaeolus hispidoides

2,654 observations · iNaturalist

hare's foot inkcap

Coprinopsis lagopus

2,611 observations · iNaturalist

Candlesnuff Fungus

Xylaria hypoxylon

2,596 observations · iNaturalist

King Bolete

Boletus edulis

2,572 observations · iNaturalist

Artist's Conk

Ganoderma brownii

2,541 observations · iNaturalist

Redwood Rooter

Caulorhiza umbonata

2,526 observations · iNaturalist

Parrot Mushroom

Gliophorus psittacinus

2,456 observations · iNaturalist

Yellow-staining Milk Cap

Lactarius xanthogalactus

2,380 observations · iNaturalist

Yellow Stainer

Agaricus xanthodermus

2,305 observations · iNaturalist

Pungent Slippery Jack

Suillus pungens

2,302 observations · iNaturalist

Pale Brittlestem

Candolleomyces candolleanus

2,262 observations · iNaturalist

Toothed Jelly Fungus

Pseudohydnum gelatinosum

2,198 observations · iNaturalist

scurfy twiglet

Tubaria furfuracea

2,196 observations · iNaturalist

Northern Red Belt

Fomitopsis mounceae

2,195 observations · iNaturalist

Liver Bolete

Suillellus amygdalinus

2,194 observations · iNaturalist

Emery Rocktripe Lichen

Umbilicaria phaea

2,159 observations · iNaturalist

Cabbage Parachute

Gymnopus brassicolens

2,158 observations · iNaturalist

Fairy Fingers

Clavaria fragilis

2,071 observations · iNaturalist