Virginia Wild Rye - Elymus virginicus | Prairie Nursery
Perennial Ryegrass - BrettYoung
Canada Wildrye – Star Seed Inc.
A close up of a the seedhead of Canadian wild rye grass Stock Photo - Alamy
Seed Native Grasses Canada Wildrye
Canada Wild Rye | Mountain Meadows
A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control .
Ryegrass, Perennial — Extension and Outreach — Department of Plant Science
Canada Wild Rye | Manistee Conservation District
Elymus canadensis, Canada Wild Rye at Toadshade Wildflower Farm