. . . . . . . . . "Symphytum officinale" . . "Formicidae" . . "Stephen Thorpe. 2017. Symphytum officinale interaction->flower visited by Formicidae. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8769797> 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." .