Alopecurus Chromosome Information.

2n = ca. 80–130 (This range of chromosome numbers may indicate agamospermy);

2n = about 80. Zhukova and Petrovsky (1980, western Chukotka);

2n = 98 two counts. Mitchell and McKendrick (1975 Alaska, about 100, about 102, about 114);

2n = about 100. Hedberg (1967, northern Canada);

2n = 100. Sokolovskaya (1965);

2n = about 100. Johnson and Packer (1968, northwestern Alaska); Zhukova and Petrovsky (1976, western Chukotka); Krogulevich (1976, northern Siberia);

2n = more than 100. Sokolovskaya (1955, 1962b); Sokolovskaya and Strelkova (1960, 1962);

2n = 105, 112, 119. Bowden (1960b, North America);

2n = 110. Sokolovskaya (1963, northeastern Asia, Kamtch);

2n = 112. Holmen (1952, Greenland); Löve and Löve (1981, northern Canada); Zhukova and Petrovsky (1987a, northeastern Asia); Jones (1959);

2n = 112, 112+3f. Jřrgensen et al. (1958, Greenland); Packer and McPherson (1974, northern Alaska, 2n = about 112);

2n = 114+2f, 112–130. Flovik (1938, 1940);

2n = 117. Mitchell and McKendrick (1975, Britain);

2n = about 120. Zhukova et al. (1973, northeastern Asia); Sokolovskaya (1968, northeastern Asia, Koryak);

2n = 119–122. Johnsson (1941);

2n = 130. Sokolovskaya (1938, southern and northern Siberia);

Ploidy levels recorded more than 14x.