(Hordeum comosum)
Hordeum comosum is a species of grass that was described by Jan Svatopluk Presl . According to Catalog of Life included Hordeum comosum in the genus barley genus and family grass , but according Dyntaxa is the affinity instead genus barley genus and family grass . The species occurs temporarily in Sweden , but reproduces not. No subspecies are listed in the Catalog of Life .