- Herbarium ID: LKHD
- Accession Number: 032307
- Scientific Name: Elymus trachycaulus (Link) Gould ex Shinners
- Family Name: Poaceae
- Location: NE corner of Horace Cove SW corner of Patterson Island, Slate Islands, Ontario.
- District Located: not specified
- Longitude/Latitude: 87.63333W / 48.63333 N
- Habitat: Loosely cespitose, on slopes of exposed basalitc crest in crevices.
- Notes: [no data]
- Collector: C.E. Garton
- Collection Number: 15519
- Collection Date: 07/31/1973
- Determined by: not specified
- Annotation by: [no data]