Plaskon Nature Trail in San Pedro Valley County Park.
Indian paintbrush (Castilleja) in San Pedro Valley County Park.
Marin Headlands seen from Montara Mountain Trail.
Plaskon Nature Trail in San Pedro Valley County Park.
Painted lady butterfly (Vanessa cardui).
Montrara Mountain Trail.
Douglas iris (Iris douglasiana).
Plaskon Nature Trail in San Pedro Valley County Park.
Old man's beard (Usnea) on an oak tree in San Pedro Valley County Park.
Eucalyptus trees on Brooks Creek Trail in San Pedro Valley County Park.
Site of a former trout farm.
A sign detailing the struggle against invasive plants.
Old Trout Farm Trail in San Pedro Valley County Park.
Montara Mountain Trail in San Pedro Valley County Park.
Unidentified species (help us identify it by providing feedback).
Montara Mountain Trail in San Pedro Valley County Park.
Creekside group picnic area.
California goldfield (Lasthenia californica).
San Pedro Valley County Park picnic area.