Verbenaceae | |
Verbena simplex fo. albiflora
| Moldenke | Phytologia 10: 172 | 1964 |
Verbenaceae | |
Verbena simplex fo. eggertii
| (Moldenke) Moldenke | Phytologia 40: 468 | 1978 |
Verbenaceae | |
Verbena simplex var. eggertii
| Moldenke | Amer. Midl. Naturalist 24(3): 753 | 1940 |
Verbenaceae | |
Verbena simplex var. orcuttiana
| (L.M. Perry) N. O'Leary | | |
Verbenaceae | |
Verbena simplex var. simplex
| | | |