set six different stylized trees white background. various tree

trees stylized vector illustration isolated colorful cartoon nature environment seasons forestry ecology various shapes leaf types evergreen deciduous simple graphic concept bright green brown conservation landscape planting botany diversity collection set elements design ecofriendly foliage silhouette artistic abstract minimalistic park garden renewable outdoors environmental flora arboreal sustainable growth natural conservationist oxygenproducing chlorophyll six different white background tree including represented flat