SF Peninsula Fungi - symbiote
Attractive Phyllotopsis nidulans (thanks for the ID, Chris M.) on log off Betsy Crowder Trail, lower Windy Hill OSP.  These caps were stable for at least a couple weeks.  I got a significant case of poison-oak to get this photo.

Attractive Phyllotopsis nidulans (thanks for the ID, Chris M.) on log off Betsy Crowder Trail, lower Windy Hill OSP. These caps were stable for at least a couple weeks. I got a significant case of poison-oak to get this photo.

FungiWindy Hillslideshow