| Name | Pediomelum megalanthum var. retrorsum (Rydberg) J. W. Grimes |
| Authorship | (Rydberg) J. W. Grimes |
| Rank | Variety |
| Placed in | Pediomelum megalanthum (Wooton & Standley) Rydberg |
| Citation | 1986 Brittonia 38: 185 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Pediomelum megalanthum var. retrorsum (Rydberg) J. W. Grimes |
| Identification made in | [no date] (1), 1987 (4) |
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