| Campanulaceae | |
Heterotoma lobelioides subsp. glabra
| (T.J. Ayers) Lammers | Novon 16(1): 70 | 2006 |
| Campanulaceae | |
Heterotoma lobelioides var. glabra
| T.J. Ayers | Syst. Bot. 15(2): 311 | 1990 |
| Campanulaceae | |
Heterotoma lobelioides subsp. lobelioides
| | | |
| Campanulaceae | |
Heterotoma lobelioides var. lobelioides
| | | |
| Campanulaceae | |
Heterotoma lobelioides var. tonelii
| (Ortgies) E. Wimm. | Ann. Wiener Mus. Naturgesch. 56: 371 | 1948 |