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| Wiesenrispengras n; Bluegrass amerik. Volksmusik | |||
| jähriges Rispengras (Poa annua); einjähriges Rispengras (Poa annua) | |||
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| Rispengras | |||
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bluegrass : 18 phrases in 4 subjects |
| Agriculture | 7 |
| Biology | 7 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 3 |