. . . . . . . . . "Harrisina americana" . . "Pycnanthemum tenuifolium" . . "Lee Elliott. 2014. Harrisina americana nectar plant Pycnanthemum tenuifolium. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/768058> 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." .