Three for the Experts!

Three for the Experts!

Observation - Three for the Experts! - Global. Description: All three observed in a water filled ditch. Photos 2 & 3 were taken at exactly the same time so I thought they were on the same plant. No 1 was taken a few minutes later. Now I think 1 and 2 are the same species and 3 different. My original thoughts were

All three observed in a water filled ditch. Photos 2 & 3 were taken at exactly the same time so I thought they were on the same plant. No 1 was taken a few minutes later. Now I think 1 and 2 are the same species and 3 different. My original thoughts were of Fool's Watercress and Lesser Water-parsnip. Suggestions please