This Twilight Series photo contains
spurge, winter jasmine, jasminum nudiflorum, buttercup, butterflower, butter flower, crowfoot, goldcup, and kingcup.
There might also be
bur marigold, burr marigold, beggar ticks, beggar's ticks, sticktight, primrose jasmine, jasminum mesnyi, and st john's wort.