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

Ryegrass East 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: Lolium multiflorum (Synonyms: 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: Lolium multiflorum var. ramosum, Lolium perenne var. cristatum, Lolium perenne ssp. perenne) -

Meadow Fescue, Meadow Ryegrass: Lolium pratense (Synonyms: Festuca elatior, Festuca pratensis) -

Darnel, Darnel Ryegrass: Lolium temulentum var. arvense (Synonym: Lolium temulentum var. arvense) -

Paul Slichter E-mail