high angle close up of a patch of poison ivy plants on a sunny day

poison ivy toxicodendron patch plant leaf forest three leaves radicans urushiol garden jagged green closeup summer background macro hairs natural blisters itchy spring poisonous rash scratch shrub nature vine weed flora botany foliage botanical close cluster dermatoxic detail grow growing identification invasive itch lush native skin species stem substance toxic vibrant weeding woods medicinal rhus sumac growth irritant mittens wild agriculture airborne allergen allergy blister bright burn 3