[Grasses West of the Cascade Mountains of Oregon and Washington]

Ryegrass West of the Cascade Mountains of Oregon and Washington

The Genus Lolium

Close-up of a portion of the inflorescence of English Ryegrass, Perennial Ryegrass: Lolium perenne (Synonyms: Lolium multiflorum var. ramosum, Lolium perenne var. cristatum, Lolium perenne ssp. perenne)

Perennial Ryegrass: Lolium perenne

Annual Ryegrass, Italian Ryegrass, Perennial Ryegrass: Lolium multiflorum (Synonyms: Festuca perennis, Lolium multiflorum ssp. italicum, Lolium multiflorum var. diminutum, Lolium multiflorum var. muticum, Lolium perenne ssp. italicum, Lolium perenne ssp. multiflorum, Lolium perenne var. aristatum, Lolium perenne var. multiflorum) -

English Ryegrass, Perennial Ryegrass: Lolium perenne (Synonyms: Festuca perennis, Lolium multiflorum var. ramosum, Lolium perenne var. cristatum, Lolium perenne ssp. perenne) -

Wimmera Ryegrass: Lolium rigidum (Synonyms: Lolium strictum, Lolium subulatum) -

Darnel, Darnel Ryegrass: Lolium temulentum ssp. tementulum (Synonyms: Festuca temulentua, Lolium temulentum var. arvense) -

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