. . . . . . . . . "Paeonia lutea ludlowii" . . "Bombus" . . "quanwei. 2015. Paeonia lutea ludlowii interaction->flower visited by Bombus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2346206> 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." .