| | |
| Lobelia adenophora | Lysipomia aretioides Kunth |
| Lobelia androsacea | Lysipomia acaulis Kunth |
| Lobelia angustifolia | Lobelia anceps L.f. |
| Lobelia arenaria | Lobelia angulata G.Forst. |
| Lobelia bellis | Lobelia nana Kunth |
| Lobelia bivonae | Solenopsis bivonae (Tineo) M.B.Crespo & al. |
| Lobelia breynii | Monopsis lutea (L.) Urb. |
| Lobelia bulbosa | Cyphia bulbosa (L.) P.J.Bergius |
| Lobelia cardamines | Cyphia incisa (Thunb.) Willd. |
| Lobelia corymbosa | Lobelia jasionoides (A.DC.) E.Wimm. |
| Lobelia cuneiformis | Lobelia anceps L.f. |
| Lobelia cymbalaria | Lobelia nana Kunth |
| Lobelia decumbens | Lobelia anceps L.f. |
| Lobelia ericoides | Monopsis lutea (L.) Urb. |
| Lobelia falcata | Lobelia kalmii L. |
| Lobelia fasciculata | Lobelia umbellifera McVaugh |
| Lobelia fleuryana | Lithotoma axillaris (Lindl.) E.B.Knox |
| Lobelia fluviatilis | Isotoma fluviatilis (R.Br.) F.Muell. ex Benth. |
| Lobelia glaucoleuca | Lobelia setacea Thunb. |
| Lobelia goodii | Lobelia jasionoides (A.DC.) E.Wimm. |
| Lobelia incisa | Cyphia incisa (Thunb.) Willd. |
| Lobelia incurva | Lobelia kalmii L. |
| Lobelia inundata | Isotoma fluviatilis (R.Br.) F.Muell. ex Benth. |
| Lobelia ionantha | Isotoma rivalis (E.Wimm.) Lammers |
| Lobelia limoselloides | Lysipomia montioides Kunth |
| Lobelia littoralis | Lobelia angulata G.Forst. |
| Lobelia longipes | Lobelia neglecta Roem. & Schult. |
| Lobelia lutea | Monopsis lutea (L.) Urb. |
| Lobelia minima | Solenopsis minima (Sims) M.B.Crespo & al. |
| Lobelia nematophylla | Lobelia setacea Thunb. |
| Lobelia nudicaulis | Cyphia phyteuma (L.) Willd. |
| Lobelia parvifolia | Wahlenbergia parvifolia (P.J.Bergius) Lammers |
| Lobelia pedunculata | Lobelia coronopifolia L. |
| Lobelia phyteuma | Cyphia phyteuma (L.) Willd. |
| Lobelia pratiana | Lobelia oligophylla (Wedd.) Lammers |
| Lobelia recurvifolia | Lobelia coronopifolia L. |
| Lobelia rugulosa | Lobelia angulata G.Forst. |
| Lobelia scabra | Monopsis scabra (Thunb.) Urb. |
| Lobelia simsii | Lobelia coronopifolia L. |
| Lobelia spathulata | Lobelia jasionoides (A.DC.) E.Wimm. |
| Lobelia strictiflora | Lobelia kalmii L. |
| Lobelia subulata | Lysipomia laricina E.Wimm. |
| Lobelia variifolia | Monopsis variifolia (Sims) Urb. |
| Lobelia willdenowiana | Lysipomia aretioides Kunth |