| Name | Juncus balticus subsp. mexicanus (Willdenow ex Roemer & Schultes) Snogerup |
| Authorship | (Willdenow ex Roemer & Schultes) Snogerup |
| Rank | Subspecies |
| Placed in | Juncus balticus Willdenow |
| Citation | 2002 Preslia 74(3): 257 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Juncus balticus subsp. mexicanus (Willdenow ex Roemer & Schultes) Snogerup |
| Identification made in | [no date] (24) |