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CCDB → Angiosperms → Lamiaceae → Pycnanthemum
| Taxon name | Status | Median (n) |
| Pycnanthemum albescens Torr. & A. Gray | Accepted | 33 |
| Pycnanthemum beadlei (Small) Fernald | Accepted | 38 |
| Pycnanthemum californicum Torr. ex Durand | Accepted | 20 |
| Pycnanthemum curvipes (Greene) E. Grant & Epling | Accepted | 20 |
| Pycnanthemum flexuosum (Walter) Britton & Sterns & Poggenb. | Accepted | 18 |
| Pycnanthemum incanum (L.) Michx. | Accepted | 38 |
| Pycnanthemum loomisii Nutt. | Accepted | 19 |
| Pycnanthemum montanum Michx. | Accepted | 20 |
| Pycnanthemum muticum (Michx.) Pers. | Accepted | 20 |
| Pycnanthemum nudum Nutt. | Accepted | 20 |
| Pycnanthemum pycnanthemoides (Leavenw.) Fernald | Accepted | 36 |
| Pycnanthemum tenuifolium Schrad. | Accepted | 20 |
| Pycnanthemum virginianum (L.) T. Durand & B. D. Jacks. ex B. L. Rob. & Fernald | Accepted | 40 |
| Pycnanthemum tenuifolium SCHRADER | Synonym of Pycnanthemum tenuifolium Schrad. | 20 |
| Pycnanthemum torreyi Bentham | Synonym of Pycnanthemum torreyi Benth. | 40 |
| Pycnanthemum pilosum Nutt. | Synonym of Pycnanthemum verticillatum var. pilosum (Nutt.) Cooperr. | 39 |