| Name | Erigeron compositus var. petraeus J. F. Macbride & Payson |
| Authorship | J. F. Macbride & Payson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Erigeron compositus Pursh |
| GUID | urn:lsid:ipni.org:names:93672-2 |
| Citation | 1917 Contr. Gray Herb. 49: 76 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erigeron compositus var. petraeus J. F. Macbride & Payson |
| Identification made in | [no date] (1) |
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