Poison Ivy
CR

Poison Ivy

Toxicodendron radicans

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Toxicodendron_radicans

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Poison Ivy faces severe population declines due to widespread habitat destruction from urban development and agricultural expansion across its native range. Climate change is altering precipitation patterns and temperature regimes that this species depends on, while intensive herbicide applications and deliberate eradication efforts continue to eliminate local populations.

Threat summary

Habitat

Deciduous and mixed woodlands, forest edges, riparian corridors, and disturbed areas with partial shade to full sun exposure. Also occurs in coastal dunes, old fields, and along fence rows where it can climb trees or spread as ground cover.

TERRESTRIAL· majorTERRESTRIAL· major

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Frequently asked questions

Why is Poison Ivy classified as Critically Endangered?
Poison Ivy is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Poison Ivy faces severe population declines due to widespread habitat destruction from urban development and agricultural expansion across its native range. Climate change is altering precipitation patterns and temperature regimes that this species depends on, while intensive herbicide applications and deliberate eradication efforts continue to eliminate local populations.
Where does Poison Ivy live?
Poison Ivy occurs in Australia, Bahamas, Belarus, Belgium, Bermuda, and Brazil (plus 27 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Poison Ivy?
The main threats to Poison Ivy are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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