Serpentine Soil Communities of Marin County

Catalog of species of all taxa observed in areas notable for high serpentenite content in the soils:
Mount Tamalpais State Park
Ring Mountain
Carson Ridge and Pine Mountain Road near Fairfax
Others TBD

All 442

Coccora ¹
Amanita calyptroderma

Volvariella gloiocephala ²

Oyster Mushroom ³
Pleurotus ostreatus

Questionable Stropharia ⁴
Stropharia ambigua

Scarlet Waxy Cap ⁵
Hygrocybe coccinea

Bolbitius titubans ⁶

Crepidotus mollis ⁷

Western Jack-o'-lantern Mushroom ⁸
Omphalotus olivascens

Red-banded Polypore ⁹
Fomitopsis pinicola

Dyer's Polypore ¹⁰
Phaeolus schweinitzii

rufous candy cap
Lactarius rufulus

Stereum hirsutum ¹¹

Red-juice Tooth ¹²
Hydnellum peckii

Tremella aurantia ¹³

Scarlet cup ¹⁴
Sarcoscypha coccinea

Fluted Black Elfin Saddle ¹⁵
Helvella lacunosa

Saddle-shaped False Morel
Gyromitra infula

Cramp Balls ¹³
Annulohypoxylon thouarsianum

Platismatia herrei

Old Man's Beard ¹⁶
Dolichousnea longissima

Edited by Todd Plummer, some rights reserved (CC BY-SA)

Photo Credits

1. (c) Jean-Louis Excoffier, some rights reserved (CC BY-NC)
2. (c) accurimbono, some rights reserved (CC BY-SA)
3. (c) Robbie Sproule, some rights reserved (CC BY)
4. (c) tonx, some rights reserved (CC BY-NC-SA)
5. (c) Sheila, some rights reserved (CC BY-NC-ND)
6. (c) Tatiana Bulyonkova, some rights reserved (CC BY-NC-SA)
7. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
8. (c) randomtruth, some rights reserved (CC BY-NC-SA)
9. (c) anonymous, some rights reserved (CC BY-SA)
10. (c) Travis, some rights reserved (CC BY-NC)
11. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
12. (c) Jason Hollinger, some rights reserved (CC BY)
13. (c) Franco Folini, some rights reserved (CC BY)
14. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
15. (c) Vicki & Chuck Rogers (Best Viewed Tiny), some rights reserved (CC BY-NC-SA)
16. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)

Serpentine Soil Communities of Marin County

Coccora 1 Amanita calyptroderma

Volvariella gloiocephala 2

Oyster Mushroom 3 Pleurotus ostreatus

Questionable Stropharia 4 Stropharia ambigua

Scarlet Waxy Cap 5 Hygrocybe coccinea

Bolbitius titubans 6

Crepidotus mollis 7

Western Jack-o'-lantern Mushroom 8 Omphalotus olivascens

Red-banded Polypore 9 Fomitopsis pinicola

Dyer's Polypore 10 Phaeolus schweinitzii

rufous candy cap Lactarius rufulus

Stereum hirsutum 11

Red-juice Tooth 12 Hydnellum peckii

Tremella aurantia 13

Scarlet cup 14 Sarcoscypha coccinea

Fluted Black Elfin Saddle 15 Helvella lacunosa

Saddle-shaped False Morel Gyromitra infula

Cramp Balls 13 Annulohypoxylon thouarsianum