tree trunk covered in bacterial crown galls (agrobacterium radiobacter) along hickling recreational trail

tree branch trunk plant leaf nature wildlife wood autumn flower spring forest woodland winter twig animal deciduous bird covered bacterial crown galls agrobacterium radiobacter hickling recreational trail bacteria bacterial sky blue light shadow sunlight bark botany branch brown flora foliage forest green leaf leaves lush nature plant tree trunk wood gall radiobacter background beautiful beauty bright canada color colorful conservation environment hiking landscape natural ontario outdoor scenery season spring sunny tourism trail travel white wild wilderness closeup