Adders Tongues West of the Cascade Mountains of Oregon and Washington
The Genus Scoliopus
Oregon Fetid Adderstongue: Scoliopus hallii
California Fetid Adderstongue: Scoliopus bigelovii -
Fetid Adder's Tongue, Oregon Fetid Adderstongue, Slinkpod: Scoliopus hallii -