Hordeum marinum subsp. gussoneanum

(Parl.) Thell.
Common names: Mediterranean barley Geniculate barley
Introduced
Synonyms: Hordeum hystrix Hordeum geniculatum Critesion marinum subsp. gussoneanum
Treatment appears in FNA Volume 24. Treatment on page 248.

Plants summer annuals. Leaves 1.5-4 mm wide, flat or involute. Lateral spikelets: lower glumes usually setaceous, occasionally a little widened, but not winged. 2n = 14, 28.

Discussion

Hordeum marinum subsp. gussoneanum grows in grassy fields, waste places, and open ground. It was introduced to North America from the Mediterranean area, and it is now an established weed, especially in western North America.

Selected References

None.

Lower Taxa

None.
Roland von Bothmer +, Claus Badenf +  and Niels H. Jacobsen +
(Parl.) Thell. +
Mediterranean barley +  and Geniculate barley +
Mont. +, Oreg. +, Mass. +, Wash. +, B.C. +, Utah +, Calif. +, Ohio +, N.J. +, Okla. +, Pa. +, Ill. +, Ariz. +, Idaho +  and Nev. +
Introduced +
Hordeum hystrix +, Hordeum geniculatum +  and Critesion marinum subsp. gussoneanum +
Hordeum marinum subsp. gussoneanum +
Hordeum marinum +
subspecies +