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
perennial herb
utilizes dense sedge stands for breeding habitat and cover in wetland complexes
Cliff Sword Fern
Polystichum imbricans subsp. imbricans
fern
dense fronds provide essential humid microhabitat and refuge in wetland margins
Common Rush
Juncus patens
grass
Critical breeding habitat April-June; dense rush beds provide egg-laying substrate and tadpole refuge
Lady Fern
Athyrium filix-femina var. cyclosorum
fern
Critical refugium in moist woodland margins; provides cover during breeding and overwintering