| Name | Helianthus maximilianii Schrader |
| Authorship | Schrader |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Helianthus |
| Contains | Helianthus maximilianii var. asperrimus Engelmann & A. Gray Helianthus maximilianii var. paniculatus Farwell |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Helianthus maximilianii Schrader |
| Identification made in | [no date] (7), 1946 (3), 1959 (8) |