Lobelia laxiflora var. laxiflora Lobelia laxiflora subsp. angustifolia Lobelia laxiflora subsp. laxiflora
Lobelia cavanillesii Lobelia persicifolia Siphocampylus warszewiczii Tupa persicifolia Tupa laxiflora Lobelia laxiflora var. cavanillesii Lobelia laxiflora var. mollis Dortmanna amygdalina Dortmanna laxiflora Lobelia concolor Rapuntium laxiflorum Lobelia laxiflora var. bicolor
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024