Rock samphire possible - ID help please

Rock samphire possible - ID help please

Observation - Rock samphire possible - ID help please. Description: Growing on cliffs very near to the shore on the Glamorgan coast near LLantwit Major. At 1m from the floor to about 10 meters up the cliff face.

Growing on cliffs very near to the shore on the Glamorgan coast near LLantwit Major. At 1m from the floor to about 10 meters up the cliff face.