unidentified plant, Cumbria coast

unidentified plant, Cumbria coast

Observation - unidentified plant, Cumbria coast. Description: This wasn't in flower, and I've no idea if it can be fully identified, but the tough-looking stems and narrow leaves look distinctive - is an identification possible? Thanks.

This wasn't in flower, and I've no idea if it can be fully identified, but the tough-looking stems and narrow leaves look distinctive - is an identification possible? Thanks.