- Lolium loliaceum, Stiff Ryegrass;Stiff Rye-grass;Rigid Ryegrass;Rottboellia loliacea Bory & Chaub ex Fauch;Lolium subulatum Vis;Lolium rigidum var rottboellioides Heldr ex Boiss;Lolium rigidum subsp lepturoides Boiss Sennen & Mauriccio;Lolium lepturoides Boiss
- Lolium rigidum, Annual Ryegrass;Wimmera Ryegrass;Wimmera Rye-grass;Lolium perenne subsp rigidum Gaudin ALove & DLove;Lolium multiflorum var rigidum Gaudin Trab;Mediterranean Rye-grass;Lolium loliaceum (Bory & Chaub) Hand-Mazz;Lolium loliaceum (Bory & Chaubard) Hand-Maz;Lolium strictum auct non J Presl;Lolium subulatum Vis
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