“Leaves of three, let it be.” So goes the easy-to-remember rhyme that’s supposed to help you identify the infamous Poison Ivy plant.
Leaves of three, let it be: How to avoid poison ivy and its itchy rash
Poison ivy and other pesky plants can turn summer fun into a season of suffering
Trials, Trails, and Tribulations of a Biological Plant Field Technician: Perspectives on Poison Oak (U.S. National Park Service)
OCWC Blog
The tallest poison ivy in the world is in Ontario, says Guinness
What to Do About Poison Ivy Rash – BJC HealthCare
Poison Ivy, Oak, and Sumac: All About the Itch (2024)
Touch-Me-Nots: Poison Ivy, Poison Oak, and Poison Sumac - Alabama Cooperative Extension System
6 Ways to Prevent and Treat Poison Ivy
How to avoid Poison Ivy when visiting your favourite park
English Ivy, a Deadly Invasive, is a Winter Target for Removal from Local Parks – Arlington Regional Master Naturalists
Itching to hike? Avoid these plants or you'll be scratching for days - Los Angeles Times
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What Do Cashews, Mangoes and Poison Ivy Have in Common?