California mouse
Peromyscus californicus
Large nocturnal mouse with long tail, big ears, and dusky-gray fur. Abundant in Bay Area gardens and wild areas. Disperses acorns and seeds while serving as prey for owls and snakes.
Plants that support California mouse
24 plants

Andrew's Clintonia
Clintonia andrewsiana
geophyte
seed collection and caching during fruit ripening

Argentinian Biddy-biddy
Acaena pinnatifida var. californica
perennial herb
native rodent consuming seeds in coastal sage scrub habitat
Bigcone Pine
Pinus coulteri
tree
Cache and consume large pine seeds; important for regeneration in some areas
Birdfoot Cliffbrake
Pellaea mucronata var. mucronata
fern
nests and shelters in dense fern clumps within chaparral and oak woodland

California Dichondra
Dichondra donelliana
perennial herb
Ground cover provides nesting and foraging habitat

California Fescue
Festuca californica
grass
Fall seed cache accumulation, Sep-Nov

California Yampah
Perideridia californica
perennial herb
Cache underground tubers and seeds as food stores; important winter nutrition

California bottlebrush grass
Elymus californicus
grass
seed caching behavior Sep-Nov; stored seeds provide winter food cache

California skullcap
Scutellaria californica
perennial herb
fall seed collection and storage

Chamise
Adenostoma fasciculatum
shrub
Harvests and caches seeds; critical food source September-March
Cliff Sword Fern
Polystichum imbricans subsp. imbricans
fern
uses dense frond base and rhizome area for nesting and refuge from predators

Climbing Bedstraw
Galium porrigens var. porrigens
perennial herb
Dense foliage provides cover and nesting habitat
Coastal Lipfern*
Myriopteris intertexta
fern
Uses dense fern cover for nest sites and predator avoidance
Coastal Wood Fern
Dryopteris arguta
fern
Dense frond cover provides nesting and foraging protection

Desert Mallow*
Malacothamnus hallii
shrub
Fall seed collection for winter caching
Five-finger Fern
Adiantum aleuticum
fern
cover for nesting and foraging in riparian understory habitat

Hooker's Fairybells
Prosartes hookeri
perennial herb
consume seeds year-round, particularly important in fall and winter

Kings Mountain Manzanita
Arctostaphylos regismontana
perennial herb
Nests within dense manzanita stands; year-round resident in chaparral habitat

Large-Flowered Fairybells
Prosartes smithii
perennial herb
Year-round seed predator and disperser; caches seeds in oak-woodland understory burrows

Pale Claytonia
Claytonia exigua subsp. exigua
annual
Spring foraging on small seeds of spring ephemerals

Sedge*
Carex serratodens
grass
seeds consumed during fall seed maturation and winter food storage
Smallbract Sedge
Carex subbracteata
grass
autumn seed collection and winter cache food source in grassland habitats

Spice Bush (Silk Tassel)
Garrya elliptica
shrub
Uses dense shrub structure for nesting and cover

