. . . . . . . . . "Megacyllene robiniae" . . "Solidago canadensis" . . "amoorehouse. 2016. Megacyllene robiniae nectar plant Solidago canadensis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9510893> 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." .