. . . . . . . . . "Chrysolina quadrigemina" . . "Hypericum perforatum" . . "Matt Hunter. 2017. Chrysolina quadrigemina associated species with names lookup Hypericum perforatum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6499727> 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." .