TheHordeum parodiigroup contains three species, viz.H. parodiiCovas (6x),H. tetraploidumCovas (4x), andH. fuegianumBothmer, Jacobsen, et Jørgensen, sp. nov. (4x). The former two species mainly occur in C and S Argentina, whileH. fuegianumis native to Tierra del Fuego. All three species are probably of alloploid origin. Morphological, isoenzyme variation and cytogenetic data are presented
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