Sites:
| Poison Ivy (Toxicodendron radicans): Description of the plant, the skin reaction it causes, uses, control, and photos. | | Poison Ivy Information: Botanical information about Toxicodendron, from Botanical.com | | Poison Oak: Botanical, toxicological and ethnobotany information, with photographs, on Toxicodendron diversilobum and other related and unrelated plant species containing the toxin urushiol. | | Toxicodendron toxicarium: Eastern poison-oak. Information on taxonomy, botanical and ecological characteristics, geographic distribution, fire ecology, and management. |
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Classical
