| Verbatim Directions to Locality: | Yellow River; hills, W of Laurel Hill. |
| Habitat: | Open pine-oak woods. |
| Non digital information?: | N |
| Identifier's Name: | R. K. G. |
| Formal Identification Date: | 1961-08-02 |
| Lowest Rank Identified: | Species |
| Identification History: | Silphium compositum Michx. |
| Determinavit: | det. |
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| Identifier's Name: | C. R. Sweeney |
| Formal Identification Date: | 1966-07-20 |
| Lowest Rank Identified: | first Infraspecific Epith |
| Identification History: | Silphium compositum Michx. ssp. ovatifolium (T. & G.) Sweeney & Fisher comb. nov. |
| Determinavit: | det. |
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| Identifier's Name: | C. G. Oakley |
| Text Identification Date: | 2011-03 |
| Lowest Rank Identified: | Species |
| Further Identification Comments: | {Silphium compositum subsp. ovatifolium (Torrey & A. Gray) C.R. Sweeney & T.R. Fisher is synonym}
This is an update of the species name to make it consistent with the Flora of North America treatment of the genus. It is not meant to reflect verifica |
| Identification History: | Silphium compositum Michx. |
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