| Name | Elymus tsukushiensis Honda | 
| Authorship | Honda | 
| Rank | Species | 
| Placed in | Elymus Linnaeus | 
| Citation | 1936 Bot. Mag. (Tokyo) 50: 391 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Elymus tsukushiensis Honda | 
| Identification made in | [no date] (1) | 
