[2] Leymus arenarius originated from the hybridization of L. racemosus and another unknown species in central Eurasia or from a polyploidization event.

[clarification needed] Leymus arenarius is much younger than its North American relative L. mollis, which has been around since the Ice Age.

Leymus arenarius can grow exponentially in terms of height and root development in the presence of nitrogen.

This process aids in primary succession with surrounding flora and fauna, and helps reduce soil erosion.

The presence of the fungi increases the ability of L. arenarius to have an extensive root system and to bind soil particles.

As early as the 18th century, the plant's extensive network of roots was utilized to stabilizing sands on northern coastal beaches.

[10] During the 17th century, under the reign of William III, the Scottish Parliament passed a law protecting Leymus arenarius.

In the 18th century, during the reign of George I, the British Parliament expanded this law to protect the plant along English coasts.