. . . . . . . . . "Bombus terrestris lusitanicus" . . "Carlina salicifolia" . . "Duarte Frade. 2015. Bombus terrestris lusitanicus interaction->visited flower of Carlina salicifolia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1876248> 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." .