Spencer Dybdahl Riffle: Kellogg's Lily (Lilium kelloggii)
Spencer Dybdahl Riffle: Late-flowered mariposa lily (Calochortus fimbriatus)
Spencer Dybdahl Riffle: Blainville's horned lizard (Phrynosoma blainvillii)
Spencer Dybdahl Riffle: Butterfly mariposa lily (Calochortus venustus)
Spencer Dybdahl Riffle: Northwestern salamander (Ambystoma gracile)
Spencer Dybdahl Riffle: Baby hybrid rattlesnake (Crotalus oreganus X helleri)
Spencer Dybdahl Riffle: Blainville's horned lizard (Phrynosoma blainvillii)
Spencer Dybdahl Riffle: Diadophis punctatus
Spencer Dybdahl Riffle: Skunk Cabbage
Spencer Dybdahl Riffle: Rana boylii (Foothill Yellow-legged Frog)
Spencer Dybdahl Riffle: Dyer's puffball
Spencer Dybdahl Riffle: Siskiyou fritillary (Fritillaria glauca)
Spencer Dybdahl Riffle: Fly agaric (Amanita muscaria)
Spencer Dybdahl Riffle: Yellow bellied racer
Spencer Dybdahl Riffle: Aneides vagrans - Wandering Salamander
Spencer Dybdahl Riffle: Crotalus oreganus oreganus (Northern Pacific Rattlesnake)
Spencer Dybdahl Riffle: Triopha catalinea (Clown Nudibranch)
Spencer Dybdahl Riffle: Red morph butterfly mariposa (Calochortus venustus)
Spencer Dybdahl Riffle: Pseudacris regilla
Spencer Dybdahl Riffle: Hopkin's rose (Okenia rosacea)
Spencer Dybdahl Riffle: Red spotted toad (Anaxyrus punctatus)
Spencer Dybdahl Riffle: Leopard Shark (Triakis semifasciata)
Spencer Dybdahl Riffle: Northern pacific treefrog (Pseudacris regila)
Spencer Dybdahl Riffle: Western spadefoot (Spea hammondii)
Spencer Dybdahl Riffle: Bolete eater fungus (Hypomyces microspermus) parasitizing a possible king bolete (Bolete edulis)
Spencer Dybdahl Riffle: Foothill Yellow-legged Frog (Rana boylii)