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CCDB → Angiosperms → Compositae → Silphium

40 species in "Silphium" :

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Taxon name	Status	Median (n)
Silphium asperrimum Hook.	Accepted	7
Silphium asteriscus L.	Accepted	7
Silphium asteriscus var. dentatum (Elliott) Chapm.	Accepted	7
Silphium asteriscus var. simpsonii (Greene) J. A. Clevinger	Accepted	7
Silphium asteriscus var. trifoliatum (L.) J. A. Clevinger	Accepted	7
Silphium brachiatum Gatt.	Accepted	7
Silphium compositum Michx.	Accepted	7
Silphium glutinosum J. R. Allison	Accepted	7
Silphium integrifolium Michx.	Accepted	7
Silphium integrifolium var. integrifolium	Accepted	7
Silphium integrifolium var. laeve Torr. & A. Gray	Accepted	7
Silphium laciniatum L.	Accepted	7
Silphium perfoliatum L.	Accepted	7
Silphium perfoliatum var. connatum (L.) Cronquist	Accepted	7
Silphium radula Nutt.	Accepted	7
Silphium radula var. gracile (A. Gray) J. A. Clevinger	Accepted	7
Silphium terebinthinaceum Jacq.	Accepted	7
Silphium terebinthinaceum var. pinnatifidum (Elliott) A. Gray	Accepted	7
Silphium trifoliatum L.	Accepted	7
Silphium laciniatum Walter	Unresolved	7
Silphium reniforme Raf.	Unresolved	7
Silphium asteriscus var. asteriscus	Synonym of Silphium asteriscus L.	7
Silphium gatesii C. Mohr	Synonym of Silphium asteriscus L.	7
Silphium laevigatum Pursh	Synonym of Silphium asteriscus L.	7
Silphium dentatum Elliott	Synonym of Silphium asteriscus var. dentatum (Elliott) Chapm.	7
Silphium simpsonii Greene	Synonym of Silphium asteriscus var. simpsonii (Greene) J. A. Clevinger	7
Silphium ovatifolium (Torr. & A. Gray) Small	Synonym of Silphium compositum Michx.	7
Silphium integrifolium var. deamii L. M. Perry	Synonym of Silphium integrifolium var. integrifolium	7
Silphium integrifolium var. neglectum Settle & T. R. Fisher	Synonym of Silphium integrifolium var. integrifolium	7
Silphium integrifolium var. laeve	Synonym of Silphium integrifolium var. laeve Torr. & A. Gray	7
Silphium speciosum Nutt.	Synonym of Silphium integrifolium var. laeve Torr. & A. Gray	7
Silphium laciniatum None	Synonym of Silphium laciniatum L.	7
Silphium perfoliatum var. perfoliatum	Synonym of Silphium perfoliatum L.	7
Silphium connatum L.	Synonym of Silphium perfoliatum var. connatum (L.) Cronquist	7
Silphium radula var. radula	Synonym of Silphium radula Nutt.	7
Silphium reverchonii Bush	Synonym of Silphium radula Nutt.	7
Silphium simpsonii var. wrightii L. M. Perry	Synonym of Silphium radula Nutt.	7
Silphium gracile A. Gray	Synonym of Silphium radula var. gracile (A. Gray) J. A. Clevinger	7
Silphium terebinthinaceum var. terebinthinaceum	Synonym of Silphium terebinthinaceum Jacq.	7
Silphium pinnatifidum Elliott	Synonym of Silphium terebinthinaceum var. pinnatifidum (Elliott) A. Gray	7