From Flora of Indiana (1940) by Charles C. Deam

Infrequent to frequent throughout the state. It is most frequent along roadsides and in waste places and has sparingly escaped to open woodland. Introduced as a forage plant. The Indiana farmers whom I have interrogated call it English bluegrass.

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Indiana Coefficient of Conservatism: C = null, non-native

Wetland Indicator Status: FACU

Deam (1929): In this species he panicles are expanded in anthesis and contracted afterwards, giving the appearance of two kinds of grass.