- Herbarium ID: NHIC
- Accession Number: MJO8663
- Scientific Name: Elymus trachycaulus subsp. subsecundus (Link) Á.Löve & D.Löve
- Family Name: Poaceae
- Location: Hwy 11, 0.9 km W of Seine River, Ont.
- District Located: not specified
- Longitude/Latitude: 92.31583W / 48.74222 N
- Habitat: Roadside prairie remnant, local.
- Notes: Synonym: Agropyron trachycaulum var. unilaterale of Dore & McNeill.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 17877
- Collection Date: 6-Aug-1995
- Determined by: M.J. Oldham
- Annotation by: S.J. Darbyshire 1995.