×Elyleymus ontariensis (Lepage) Barkworth
Annotated by Curtis R. Bjork, 2014.

British Columbia: Rocky Mountain foothills, 1 km west of Stony Lake. Elev. 1082 m
54.83° N, 120.62° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Picea mariana bog edge in mossy area with Picea glauca. Rhizomes long creeping; leaves 5 mm wide; spikelets variably and loosely spaced; lemmas long hirsute; anthers empty; sterile hybrid between Leymus innovatus (common) and Elymus trachycaulus subsp. trachycaulus (scarce); sparsely scattered at site, but often seen during survey in 100 km area.

Frank Lomer 4162, 2001 Aug 21
With Wilf Petherbridge
UBC, Accession: V235185

×Elyleymus ontariensis (Lepage) Barkworth
Annotated by Curtis R. Bjork, 2014.

British Columbia: Rocky Mountain foothills, Holtslander Creek campsite, 2 km upstream from Belcourt Creek, 14 km west of Alberta border. Elev. 1065 m
54.58° N, 120.22° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Streamside meadow in anthill with Poa pratensis, Galium boreale, Carex siccata. Rhizomatous, lemmas hairy; sterile hybrid between Leymus innovatus and Elymus trachycaulus.

Frank Lomer 4181, 2001 Aug 23
With Wilf Petherbridge
UBC, Accession: V235204

×Elyleymus ontariensis (Lepage) Barkworth
Annotated by Frank Lomer, 2001.

British Columbia: Rocky Mountain foothills, ca. 25 km northeast of Wapiti Lake, Wapiti River, south side meadow. Elev. 1058 m
54.75° N, 120.51° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
In meadow with Leymus innovatus, Elymus trachycaulus. Small patch; no pollen in anthers, lemmas empty.

Frank Lomer 4198, 2001 Aug 25
With Wilf Petherbridge
UBC, Accession: V235220

×Elyleymus ontariensis (Lepage) Barkworth
Annotated by M. Harrington.

British Columbia: Ashnola River, Flatiron Mountain. Elev. 5000 ft
49.1° N, 120° W,
Datum: WGS84. Coordinate Source: WorldGeolocations Table.

Ian McTaggart Cowan s.n., 1951 Jul 07
UBC, Accession: V27624

×Elyleymus ontariensis (Lepage) Barkworth
Annotated by Curtis R. Bjork, 2014.

British Columbia: Ca. 1 mile south of Columbia Cabins, between Canal Flats & Fairmont.
50.15° N, 115.82° W,
Datum: WGS84. Coordinate Source: WorldGeolocations Table.
On range.

John W. Eastham s.n., 1947 Jul 14
UBC, Accession: V17459