Easy to confuse: Thomisus onustus [L.], Goldenrod crab spider
Find below some species that are very similar, read the 'Look Alikes' section on the relating details page. Select to enlarge the tile or click the large photo to go to the details page.
Thomisus onustus [L.] (Crab spiders)
Goldenrod crab spider (Crab spiders)