All trees have incorporated an initial movement into their trunks and some of them are styled more - all of them are nice starters to become bonsai.
Front row left to right:
Japanese yew (Taxus cuspidata)
Trident maple (Acer buergerianum)
Myrt (Myrthus) - white flowers in summer
Ponderosa pine (Pinus ponderosa)
Back row left to right:
Chinese wisteria (Wisteria sinensis) purple flowers in March/Arpril
White oak (Quercus alba)
Baby lilac (Leptodermis oblonga) - lavender flowers in May
Sweet spire (Itea virginica) - white flowers in April