| Name | Galinsoga semicalva (A. Gray) H. St. John & D. White |
| Authorship | (A. Gray) H. St. John & D. White |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Galinsoga |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Galinsoga semicalva (A. Gray) H. St. John & D. White |
| Identification made in | [no date] (2), 1978 (2) |
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