| Name | Ageratina cronquistii King & H. Robinson |
| Authorship | King & H. Robinson |
| Rank | Species |
| Placed in | Ageratina |
| Citation | 1978 Phytologia 38(4): 334 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ageratina cronquistii King & H. Robinson |
| Identification made in | 1987 (1), 2015 (1) |