| Name | Cercidium ×sonorae Rose & I.M. Johnst. |
| Authorship | Rose & I.M. Johnst. |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cercidium Tulasne |
| Citation | 1924 Contr. Gray Herb. 70: 66 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cercidium ×sonorae Rose & I.M. Johnst. |
| Identification made in | 1974 (2) |
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