Plants that support Common Chaffinch
3 plants
Brittle Bladder Fern
Cystopteris fragilis
fern
Consume arthropods and occasional seeds from fern habitat
Bay Area native
Sitka Brome
Bromus sitchensis var. carinatus
grass
Fall migration and winter staging; important energy source Sep-Dec
Bay Area native
Slender Wheatgrass
Elymus trachycaulus subsp. trachycaulus
grass
small seed foraging in fall and winter
Bay Area native