Frogs
Tailed Frog: Ascaphus truei
Pacific Treefrog, Chorus Frog: Pseudacris regilla (Synonym: Hyla regilla)
Red-legged Frog: Rana aurora
Cascades Frog ?: Rana cascadae
Northern Leopard Frog: Rana pipiens
Bullfrog: Rana catesbeiana
Toads
Great Basin Spadefoot ?: Scaphiopus intermontanus (Synonym: Spea intermontana)
Western Toad, Boreal Toad, Northwestern Toad: Bufo boreas
Woodhouse's Toad: Bufo woodhousii
Salamanders
Tiger Salamander: Ambystoma tigrinum
Northwestern Salamander: Ambystoma gracile
Long-toed Salamander: Ambystoma macrodactylum
Cope's Giant Salamander: Dicamptodon copei
Pacific Giant Salamander: Dicamptodon tenebrosus
Cascade Torrent Salamander: Rhyacotriton cascadae
Rough-skinned Newt: Taricha granulosa
Dunn's Salamander: Plethodon dunni
Larch Mountain Salamander: Plethodon larselli
Western Red-backed Salamander: Plethodon vehiculum
Ensatina ?: Ensatina eschscholtzii
Clouded Salamander ?: Aneides ferreus
Oregon Slender Salamander: Batrachoseps wrightii