. . . . . . . . . "Dolichovespula media" . . "Echinops sphaerocephalus" . . "Tig. 2017. Dolichovespula media nectar plant Echinops sphaerocephalus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7306286> 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." .