| Ser.nr. | 4131 |
 | Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. |
| | |
| Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. | 5000 |
| Pycnanthemum flexuosum Walter) Britton, Sterns & Poggenb. | 504 |
| Pycnanthemum flexuosum Britt. | 38 |
| Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. | 508 |
| Pycnanthemum flexuosum (Walter) Britton et al. | 226 |
| Pycnanthemum flexuosum (WALT.) BSP | 503-813 |
| Pycnanthemum flexuosum | 0-1, 240, 508 |
 | Appalachian mountain-mint / Flexuose mountain mint / Mountain mint |
| | |
| Appalachian mountain=mint | 226 |
| Appalachian mountainmint | 508 |
| Flexuose mountain mint | 503-813 |
| Mountain mint | 38, 508 |
 | Ahtalehine tuttmünt |
| | |
| Ahtalehine tuttmünt | 240 |
 | 38,
226, 240,
503-813, 504, 508, 5000 |
