| Name | Prenanthella exigua (A. Gray) Rydberg |
| Authorship | (A. Gray) Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Prenanthella |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Prenanthella exigua (A. Gray) Rydberg |
| Identification made in | [no date] (2), 1970 (2) |
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