| Name | Heterotheca stenophylla var. angustifolia (Rydberg) Semple |
| Authorship | (Rydberg) Semple |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Heterotheca stenophylla (A. Gray) Shinners |
| GUID | urn:lsid:ipni.org:names:1152211-2 |
| Holdings | 27 Specimens held in the Harvard University Herbaria identified as Heterotheca stenophylla var. angustifolia (Rydberg) Semple |
| Identification made in | [no date] (5), 1985 (1), 1993 (15), 1996 (6) |
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