| Name | Eryngium yuccaefolium var. synchaetum A. Gray ex J. M. Coulter & Rose |
| Authorship | A. Gray ex J. M. Coulter & Rose |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eryngium yuccaefolium Michaux |
| Citation | 1888 Rev. N. Amer. Umbell. 94 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eryngium yuccaefolium var. synchaetum A. Gray ex J. M. Coulter & Rose |
| Identification made in | [no date] (2) |