| Name | Hymenopappus sulphureus Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hymenopappus L'Heritier |
| Citation | 1901 Man. Fl. N. States (Britton) 1007 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hymenopappus sulphureus Rydberg |
| Identification made in | [no date] (1) |
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