The deciduous tree with white flowers is night-queen.
The dogwood tree
It is a common small deciduous tree in the UK. It has white flowers in the Spring called "May blossom" which produce red berries in the Autumn called "hips". The tree has thorns and is ideal for making hedges.
Linden
The magnolia tree
flowers or cones?
A deciduous tree that grows to a height of about 30 ft (10 m) with long, dark green, shiny leaves and blooms with many small clusters of white flowers that bares small, reddish fruit.
The flowers of ghaf tree are said to have medicinal qualities.The flowers are small in size and yellow or creamy white in colour.
Deciduous.
Mimosa aka Silk tree
it is a deciduous tree that has beautiful funnel shaped lilac flowers at the beginning of summer
spirea
i wish i knew the answer. i've been trying to find out too. this tree is very common in indianapolis. many neighborhoods have streets lined with this small tree with clusters of small white flowersEdited answerPlumeria rubra or Fringipani
it is a deciduous shrub to small tree.