noxious plants

back backgrounds blossom blue botanic botany branch color cow danger day field flower flowers food giant green head hedge heracleum herb herbal hogweed homeopathic horizontal large lit macro meadow medicine nature nobody nonurban organism outdoors overcast parsnip pattern photography plant plants poisonous rural scene seed sky sphondylium sphonylium substance summer tall toxic umbel umbellifa uncultivated white wildflower