A widespread menace to health 1
Forms of poison-ivy and poison-oak 2
Common poison-ivy 2
Oakleaf poison-ivy 9
Western poison-oak 9
Poison sumac 16
Confusion of poisonous and harmless sumacs 19
Introduced poisonous sumac and related species 21
Poisoning 21
Precautions against poisoning 22
Treatment for poisoning 23
Eradication of plants 25
Chemical weed killers 25
Eradication by mechanical means 25