. . . . . . . . . "Wallengrenia otho" . . "Turnera ulmifolia" . . "Monica Krancevic. 2016. Wallengrenia otho nectar plant Turnera ulmifolia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3622484> 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." .