| Name | Lobelia laxiflora var. stricta (Planchon & Oersted) M. R. McVaugh |
| Authorship | (Planchon & Oersted) M. R. McVaugh |
| Rank | Variety |
| Placed in | Lobelia laxiflora Kunth |
| Citation | 1943 N. Amer. Fl. 32A:96 |
| Name | Lobelia laxiflora var. stricta (Planchon & Oersted) M. R. McVaugh |
| Authorship | (Planchon & Oersted) M. R. McVaugh |
| Rank | Variety |
| Placed in | Lobelia laxiflora Kunth |
| Citation | 1943 N. Amer. Fl. 32A:96 |