"Delicate white blooms with a touch of sunshine in their hearts."

The image shows a cluster of delicate white flowers with bright yellow centers. These are likely Multiflora Rose (Rosa multiflora), an invasive species in North America.
Key characteristics of Multiflora Rose:
Flowers: Small, white to pinkish, five-petaled flowers in large clusters
Leaves: Pinnately compound with 5-11 sharply toothed leaflets
Stems: Thorny, arching canes that can climb over other plants
Fruits: Small, red rose hips that persist through winter
Invasive: Forms dense thickets that outcompete native plants