;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
>Silphium asperrimum
7
>Silphium asteriscus
7
>Silphium asteriscus var. dentatum
7
>Silphium asteriscus var. simpsonii
7
>Silphium asteriscus var. trifoliatum
7
>Silphium brachiatum
7
>Silphium compositum
7
>Silphium glutinosum
7
>Silphium integrifolium
7
>Silphium integrifolium var. integrifolium
7
>Silphium integrifolium var. laeve
7
>Silphium laciniatum
7
>Silphium perfoliatum
7
>Silphium perfoliatum var. connatum
7
>Silphium radula
7
>Silphium radula var. gracile
7
>Silphium terebinthinaceum
7
>Silphium terebinthinaceum var. pinnatifidum
7
>Silphium trifoliatum
7