All Species in Lobelia
- Alakai Swamp Lobelia (Lobelia villosa)
- Apache Lobelia (Lobelia anatina)
- Bay Lobelia (Lobelia feayana)
- Berlandier's Lobelia (Lobelia berlandieri)
- Bog Lobelia (Lobelia gloria-montis)
- Boykin's Lobelia (Lobelia boykinii)
- Canby's Lobelia (Lobelia canbyi)
- Cardenala Azul (Lobelia cliffortiana)
- Cardinalflower (Lobelia cardinalis)
- Dortmann's Cardinalflower (Lobelia dortmanna)
- Downy Lobelia (Lobelia puberula)
- Florida Lobelia (Lobelia floridana)
- Foldear Lobelia (Lobelia flaccidifolia)
- Fringeleaf Lobelia (Lobelia fenestralis)
- Glade Lobelia (Lobelia glandulosa)
- Grayleaf Lobelia (Lobelia remyi)
- Great Blue Lobelia (Lobelia siphilitica)
- Haleakala Lobelia (Lobelia grayana)
- Indian-Tobacco (Lobelia inflata)
- Koolau Range Lobelia (Lobelia gaudichaudii)
- Kuhi'Aikamo'Owahie (Lobelia hypoleuca)
- Lava Lobelia (Lobelia × kauaensis)
- Lobelia (Lobelia × rogersii)
- Lobelia (Lobelia × speciosa)
- Longleaf Lobelia (Lobelia elongata)
- Maui Lobelia (Lobelia hillebrandii)
- Niihau Lobelia (Lobelia niihauensis)
- Nuttall's Lobelia (Lobelia nuttallii)
- Oahu Lobelia (Lobelia oahuensis)
- Ontario Lobelia (Lobelia kalmii)
- Pale Lobelia (Lobelia appendiculata)
- Palespike Lobelia (Lobelia spicata)
- Panaunau (Lobelia yuccoides)
- Pineland Lobelia (Lobelia homophylla)
- Robust Lobelia (Lobelia robusta)
- Roundleaf Lobelia (Lobelia rotundifolia)
- Shortleaf Lobelia (Lobelia brevifolia)
- Sierra Madre Lobelia (Lobelia laxiflora)
- Southern Lobelia (Lobelia amoena)
- Tibey Tupa (Lobelia portoricensis)
- Vivald's Lobelia (Lobelia vivaldii)
- Waianae Range Lobelia (Lobelia monostachya)
- Waihanau Lobelia (Lobelia dunbarii)
- White Lobelia (Lobelia paludosa)