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Oregon spotted frog

Rana pretiosa

Federal: Endangered, CA: Endangered, CA Special Concern

Listed under federal ESA and CESA; Highly threatened species with very limited range

Small, spotted frog with bumpy skin and bright yellow-orange underside. Critically endangered wetland species; indicator of healthy pond ecosystems in Bay Area nature reserves.

Plants that support Oregon spotted frog

4 plants

Big Leaf Sedge

Carex amplifolia

high

perennial herb

utilizes dense sedge stands for breeding habitat and cover in wetland complexes

Bay Area native

Cliff Sword Fern

Polystichum imbricans subsp. imbricans

high

fern

dense fronds provide essential humid microhabitat and refuge in wetland margins

Bay Area native

Common Rush

Juncus patens

critical

grass

Critical breeding habitat April-June; dense rush beds provide egg-laying substrate and tadpole refuge

Bay Area native

Lady Fern

Athyrium filix-femina var. cyclosorum

critical

fern

Critical refugium in moist woodland margins; provides cover during breeding and overwintering

Bay Area native