tree icon se, intricate tree silhouettes with deep roots for nature-themed and botanical

print intricate tree silhouettes deep roots nature-themed botanical design icon set season tree growth design leaf nature vector autumn environment plant falling horizontal set people sparse usa planting shape social issues bush digitally generated environmental conservation equipment fir flower grass group objects logo maple pine september sign symbol blossom forest organic autumn leaf color bare branch plant drawing art product pinaceae woodland square composition store outline panoramic seasonal silhouette transparent isolated white concept fall green orange orange background transparent branch yellow spring summer winter silhouette