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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

moderate

geophyte

seed collection and caching during fruit ripening

Bay Area native

Argentinian Biddy-biddy

Acaena pinnatifida var. californica

moderate

perennial herb

native rodent consuming seeds in coastal sage scrub habitat

Bay Area native

Bigcone Pine

Pinus coulteri

moderate

tree

Cache and consume large pine seeds; important for regeneration in some areas

Bay Area nativeKeystone species

Birdfoot Cliffbrake

Pellaea mucronata var. mucronata

moderate

fern

nests and shelters in dense fern clumps within chaparral and oak woodland

Bay Area native

California Dichondra

Dichondra donelliana

high

perennial herb

Ground cover provides nesting and foraging habitat

Bay Area native

California Fescue

Festuca californica

moderate

grass

Fall seed cache accumulation, Sep-Nov

Bay Area native

California Yampah

Perideridia californica

moderate

perennial herb

Cache underground tubers and seeds as food stores; important winter nutrition

Bay Area native

California bottlebrush grass

Elymus californicus

high

grass

seed caching behavior Sep-Nov; stored seeds provide winter food cache

Bay Area native

California skullcap

Scutellaria californica

moderate

perennial herb

fall seed collection and storage

Bay Area native

Chamise

Adenostoma fasciculatum

high

shrub

Harvests and caches seeds; critical food source September-March

Bay Area native

Cliff Sword Fern

Polystichum imbricans subsp. imbricans

high

fern

uses dense frond base and rhizome area for nesting and refuge from predators

Bay Area native

Climbing Bedstraw

Galium porrigens var. porrigens

moderate

perennial herb

Dense foliage provides cover and nesting habitat

Bay Area native

Coastal Lipfern*

Myriopteris intertexta

high

fern

Uses dense fern cover for nest sites and predator avoidance

Bay Area native

Coastal Wood Fern

Dryopteris arguta

high

fern

Dense frond cover provides nesting and foraging protection

Bay Area native

Desert Mallow*

Malacothamnus hallii

moderate

shrub

Fall seed collection for winter caching

Bay Area native

Five-finger Fern

Adiantum aleuticum

high

fern

cover for nesting and foraging in riparian understory habitat

Bay Area native

Hooker's Fairybells

Prosartes hookeri

high

perennial herb

consume seeds year-round, particularly important in fall and winter

Bay Area native

Kings Mountain Manzanita

Arctostaphylos regismontana

moderate

perennial herb

Nests within dense manzanita stands; year-round resident in chaparral habitat

Bay Area nativeKeystone species

Large-Flowered Fairybells

Prosartes smithii

moderate

perennial herb

Year-round seed predator and disperser; caches seeds in oak-woodland understory burrows

Bay Area native

Pale Claytonia

Claytonia exigua subsp. exigua

moderate

annual

Spring foraging on small seeds of spring ephemerals

Bay Area native

Sedge*

Carex serratodens

moderate

grass

seeds consumed during fall seed maturation and winter food storage

Bay Area native
No photo

Smallbract Sedge

Carex subbracteata

high

grass

autumn seed collection and winter cache food source in grassland habitats

Bay Area native

Spice Bush (Silk Tassel)

Garrya elliptica

moderate

shrub

Uses dense shrub structure for nesting and cover

Bay Area native

Threeray Tarweed

Deinandra lobbii

moderate

annual

autumn seed harvest and caching

Bay Area native