Ser.nr. | 4130 |
| Pycnanthemum albescens Torr. & A.Gray |
| | |
| Pycnanthemum albescens Torr. & A.Gray | 5000 |
| Pycnanthemum albescens TORR. & GRAY | 503-808 |
| Pycnanthemum albescens Torr. & Gray. | 38 |
| Pycnanthemum albescens Torr. & A. Gray | 504, 508 |
| Pycnanthemum albescens | 0-1, 508 |
| White-leaved mountainmint Whiteleaf mountain mint |
| | |
| White=leaved mountainmint | 504 |
| Whiteleaf mountain mint | 38, 508 |
| Whiteleaf mountainmint | 508 |
| 38, 503-808, 504, 508, 5000 |