oak tree with green leaves, oak tree logo

environmental conservation ecofriendly symmetrical silhouette botanical undefined detailed branches woodland elements greenery branding outdoors organic foliage graphic digital natural vector leaves nature design forest tshirt symbol rustic lovers beauty green earth tones plant arbor brown print leafy tree logo oak eco art arbor autumn beautiful art botany branch green branches tones design ecology vector flat foliage forest leaves tree icon landscape logo beauty branding lovers symbol silhouette outdoors outline plant season silhouettes spring summer t-shirt trees trunk