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Trending: eastern poison ivy (Toxicodendron radicans) — 697 observations this week

iNaturalist · 2026-06-13

Eastern poison ivy is one of the most observed plants on iNaturalist this week, with 697 research-grade sightings logged across its range. Peak activity likely reflects early summer growth flush when the plant is most recognizable — and most hazardous.

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697 research-grade observations of eastern poison ivy were recorded in a single week on iNaturalist

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The observation volume was high enough to rank it among the most observed plant species on the platform this week

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Peak early-summer growth makes the plant particularly visible and identifiable — and particularly hazardous to encounter

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