| Name | Ageratum littorale f. setigerum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum littorale A. Gray |
| GUID | urn:lsid:ipni.org:names:302076-2 |
| Citation | 1913 Contr. Gray Herb. 42: 468 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ageratum littorale f. setigerum B. L. Robinson |
| Identification made in | 1981 (1) |
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