''Hordelymus'' is a genus of European, north African, and southwest Asian plants in the

grass family Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and ...

. The only known species is ''Hordelymus europaeus,'' native to Europe (from

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

+ Ireland to Spain, Italy, and Russia) as well as North Africa ( Algeria + Morocco) and southwestern Asia ( Turkey + Caucasus). Wood-barley is a common name for ''H. europaeus''. ;formerly included see ''

Taeniatherum ''Taeniatherum'' is a genus of Eurasian and North African plants in the grass family known by the common name medusahead. The only recognized species is ''Taeniatherum caput-medusae'' and is native to southern and central Europe (from Portugal ...

'' * ''Hordelymus asper - Taeniatherum caput-medusae'' * ''Hordelymus caput-medusae - Taeniatherum caput-medusae''

References

Pooideae Monotypic Poaceae genera Flora of Europe {{Pooideae-stub