1. (noun) tall tufted perennial grasses (such as lyme grass or wild rye)

• genus elymus

1. (noun) tall tufted perennial grasses (such as lyme grass or wild rye)

• family graminaceae
• family gramineae
• family poaceae
• graminaceae
• gramineae
• grass family
• poaceae

1. (noun) tall tufted perennial grasses (such as lyme grass or wild rye)

• liliopsid genus
• monocot genus

1. (noun) tall tufted perennial grasses (such as lyme grass or wild rye)

• lyme grass
• wild rye