Using the California Academy of Science Bay Area Ant Key these keyed out as Formica moki, but I am not entirely convinced.
I have no idea what these little white things are.
On cut bank above trail in sandy soil. I am new to lichen study, so this is little more than a wild guess, but it resembles Cladonia verticillata.
near creek by redwoods
I thought this was Helvella, but got home and checked my books and now I'm not so sure. Gyromitra?
Much larger than the one I previously posted and rosier in color.
In sandhills area. Not sure what species.
In sandhills area