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Lolium multiflorum x rigidum
Species hybrid, Flowering plant
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Lolium multiflorum x temulentum
Species hybrid, Flowering plant
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Lolium perenne – Perennial Rye-grass
Species, Flowering plant, Freshwater
Common Rye-Grass, Efrwellt Parhaus, Efryn Parhaus, Efryn Cyffredin, Efryn, Rhygwellt Parhaol, Rhygwellt Lluosflwydd
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Lolium perenne agg.
Species aggregate, Flowering plant
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Lolium persicum
Species, Flowering plant
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Lolium remotum – Flaxfield Rye-grass
Species, Flowering plant
Rhygwellt y Llindir
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Lolium rigidum – Mediterranean Rye-grass
Species, Flowering plant
Rhygwellt Môr y Canoldir
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Lolium rigidum x temulentum
Species hybrid, Flowering plant
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