;CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to mailto:evolseq@tauex.tau.ac.il
>Pycnanthemum albescens
33
>Pycnanthemum beadlei
38
>Pycnanthemum californicum
20
>Pycnanthemum curvipes
20
>Pycnanthemum flexuosum
18
>Pycnanthemum incanum
38
>Pycnanthemum loomisii
19
>Pycnanthemum montanum
20
>Pycnanthemum muticum
20
>Pycnanthemum nudum
20
>Pycnanthemum pycnanthemoides
36
>Pycnanthemum tenuifolium
20
>Pycnanthemum torreyi
40
>Pycnanthemum verticillatum var. pilosum
39
>Pycnanthemum virginianum
40