Photo: Diane Edwardson, April 1, 2012. Last week's rains started fungus growing on one of the logs in the mouth of Red Car Canyon. (Click on photo to enlarge.)
It looks a bit like "Chicken of the Woods" fungus, but is far too small, see MykoWeb under "Polypores."
Learn more about mushrooms: MykoWeb
Disclaimer: The Corralitas Red Car Property Blog prefers to quote reliable sources, such as Calflora and California Poison Control, on the issue of toxicity. We often get email suggesting some plants are edible. If you are eating your way through the Red Car Property, we DO NOT recommend you eat any plant you find in the Red Car Property neighborhood without first doing your own research.
