What is this plant/grass?

What is this plant/grass?

Observation - What is this plant/grass? - Global. Description: Found this plant/grass on Dartmoor in acidic conditions, I think the grass may be green ribbed sedge, but I'm not sure. And I don't know what the flower aspect of it is

Found this plant/grass on Dartmoor in acidic conditions, I think the grass may be green ribbed sedge, but I'm not sure. And I don't know what the flower aspect of it is