This Shrek Forever After photo contains
spurge, winter jasmine, jasminum nudiflorum, buttercup, butterflower, butter flower, crowfoot, goldcup, and kingcup.
There might also be
st peter's wort, hypericum tetrapterum, hypericum maculatum, western buttercup, ranunculus occidentalis, great st john's wort, hypericum ascyron, and hypericum pyramidatum.