. . . . . . . . . "Bombus californicus" . . "Centaurea solstitialis" . . "Anne Parsons. 2017. Bombus californicus associated species with names lookup Centaurea solstitialis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6895589> 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." .