The genus Dactylis (Poaceae) in Poland in relation to its Eurasian distribution.

摘要

The genus Dactylis L. is a polyploid complex which consists of 16 diploids (2n = 14), 7 tetraploids (2n = 28) and 2 hexaploids (2n = 42), distributed mostly in Central Europe and also in Asia and North Africa. In Poland it is represented by one species Dactylis glomerata L., within which three subspecies as well as their hybrids have been distinguished: subsp. glomerata (2n = 28), subsp. aschersoniana (Graebn.) Thell. (2n = 14) and subsp. slovenica (Dom.) Dom. (2n = 28).