This lichen, photographed from the underside to show umbilicated attachment, was found on a trail. I could not determine where it had been dislodged from.
Gall on Coyote bush (Baccharis pilularis) induced by a moth (Gnorimoschema baccharisella).
Tennessee Valley
GGNRA - Golden Gate National Recreational Area
Marin County, CA
This spiny iguana is endemic to Western Mexico
Wild strawberry, very common here. A sketch from my field notebook.
Probably an escapee from landscaping; I do not plant non native species. What constitutes an invasive species is getting harder to define.