Elytrigia ×oliveri (E. acuta × repens) (Poaceae) in België, een erg miskend gras van onze flora

Elytrigia ×oliveri (E. acuta × repens) (Poaceae) in Belgium, a very misunderstood grass of our flora. Elytrigia acuta and its hybrid with E. repens (E. ×oliveri) are very often confused. E. acuta only occurs along the coast and along the Scheldt north of Antwerp, while the hybrid is much more common and moreover widespread. E. ×oliveri is common in the polders and seems to occur increasingly as an adventive elsewhere as well. The hybrid is recognizable by the sterile or less fertile pollen, the leaf anatomy and the habitus. Elytrigia juncea and its hybrid with E. repens (E. ×obtusiuscula), on... Mehr ...