Pycnanthemum tenuifolium Schrad. | | a | | Pycnanthemum tenuifoliumSchrad. | |
Pycnanthemum pilosum Nutt. | | a | | Pycnanthemum pilosumNutt. | |
Pycnanthemum virginianum (L.) T. Durand & B. D. Jacks. ex B. L. Rob. & Fernald | | a | | Pycnanthemum virginianum(L.) T. Durand & B. D. Jacks. ex B. L. Rob. & Fernald | |
Pycnanthemum albescens Torr. & A. Gray | | a | | Pycnanthemum albescensTorr. & A. Gray | |
Pycnanthemum beadlei (Small) Fernald | | a | | Pycnanthemum beadlei(Small) Fernald | |
Pycnanthemum californicum Torr. ex Durand | | a | | Pycnanthemum californicumTorr. ex Durand | |
Pycnanthemum curvipes (Greene) E. Grant & Epling | | a | | Pycnanthemum curvipes(Greene) E. Grant & Epling | |
Pycnanthemum flexuosum (Walter) Britton et al. | | a | | Pycnanthemum flexuosum(Walter) Britton et al. | |
Pycnanthemum floridanum E. Grant & Epling | | a | | Pycnanthemum floridanumE. Grant & Epling | |
Pycnanthemum hybr. | | a | | Pycnanthemum hybr. | |
Pycnanthemum incanum Michx. | | a | | Pycnanthemum incanumMichx. | |
Pycnanthemum loomisii Nutt. | | a | | Pycnanthemum loomisiiNutt. | |
Pycnanthemum muticum (Michx.) Pers. | | a | | Pycnanthemum muticum(Michx.) Pers. | |
Pycnanthemum pycnanthemoides (Leavenw.) Fernald | | a | | Pycnanthemum pycnanthemoides(Leavenw.) Fernald | |
Pycnanthemum setosum Nutt. | | a | | Pycnanthemum setosumNutt. | |
Pycnanthemum hyssopifolium Benth. | Pycnanthemum flexuosum (Walter) Britton et al. | | | Pycnanthemum hyssopifoliumBenth. | Pycnanthemum flexuosum(Walter) Britton et al. |
Pycnanthemum torreyi Benth. | | a | | Pycnanthemum torreyiBenth. | |
Pycnanthemum montanum Michx. | | a | | Pycnanthemum montanumMichx. | |
Pycnanthemum verticillatum (Michx.) Pers. | | a | | Pycnanthemum verticillatum(Michx.) Pers. | |
Pycnanthemum spp. | | a | | Pycnanthemum spp. | |
Pycnanthemum alatum Raf. | Hyptis alata (Raf.) Shinners | | | Pycnanthemum alatumRaf. | Hyptis alata(Raf.) Shinners |
Pycnanthemum flexuosum auct. | Pycnanthemum tenuifolium Schrad. | | | Pycnanthemum flexuosumauct. | Pycnanthemum tenuifoliumSchrad. |
Pycnanthemum verticillatum (Michx.) Pers. var. pilosum (Nutt.) Cooperr. | Pycnanthemum pilosum Nutt. | | i | Pycnanthemum verticillatum(Michx.) Pers. var.pilosum (Nutt.) Cooperr. | Pycnanthemum pilosumNutt. |
Pycnanthemum verticillatum (Michx.) Pers. var. verticillatum | Pycnanthemum verticillatum (Michx.) Pers. | | i | Pycnanthemum verticillatum(Michx.) Pers. var.verticillatum | Pycnanthemum verticillatum(Michx.) Pers. |