This sturdy pale green grass seems to be very common in our coastal area at the moment.
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The 2nd photo shows the hairs on the edge of the sheath forming the characteristic eye-lashes that distinguish it from E. repens at the seaside.
Thanks so much, all of you, for your help - I will remember those 'eye-lashes' for the future!
Lat/Lng: 50.6817, -1.545
OS grid ref: SZ322869