PSJC Find publication results
- Mizianty M., Frey L., Szczepaniak M. The Agropyron-Elymus complex (Poaceae) in Poland: nomenclatural problems
- Frey L. The Agropyron-Elymus complex (Poaceae) in Poland: disappearance of Elymus farctus subsp. boreoatlanticus on the coast of the Baltic Sea