Buddleja cordata Kunth [Loganiaceae] M. Sessé, V. Cervantes, M. Mociño, Drawings from the Spanish Royal Expedition to New Spain (1787–1803) (to be published in the Flora Mexicana, Real Jardin Botanico, Madrid, Spain): t. 30], fig. kew-2685368[Real Jardin Botanico no. 30] ()