With Ragged Robin
Ragged-Robin, Carpiog y gors or Silene flos-cuculi
Fool's-water-cress, Dyfrforonen swp-flodeuog or Apium nodiflorum
(which I hadn't pohotographed flowers of in the wild before)
Abundant Corn Mint with no sign of the more usual (for us) Water-mint.
Corn Mint, Mintys yr âr or Mentha arvensis
And another Gall. This may be Geocrypta galli or Dasineura hygrophila but we didn't look inside to see the larvae so can't be sure.
Fen Bedstraw, Briwydd y fign or Galium uliginosum (with gall)
A few patches of:
Great Burnet, Bwrned mawr or Sanguisorba officinalis
Yellow Stagshorn or Calocera viscosa (I think)