. . . . . . . . . "Ariolimax columbianus" . . "Gymnocarpium dryopteris" . . "James Maughn. 2013. Ariolimax columbianus associated species with names lookup Gymnocarpium dryopteris. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/363808> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .