{"id":"id-010","license":"CC-BY-4.0","data":{"title":"Three vines on your fence: Virginia creeper, English ivy, poison ivy","file":"/diagrams/id-010-three-vines-on-your-fence.svg","caption":"FA Exhibit ID-010. Three vines on your fence: Virginia creeper, English ivy, poison ivy.","alt":"Three equal-weight public-domain botanical specimens compare Virginia creeper's five leaflets, juvenile English ivy's one simple lobed leaf, and eastern poison-ivy's three leaflets. A safety banner says not to handle an unknown three-leaflet vine.","kind":"diagram","rights":"cc-by-4.0","depicts":"On an unknown fence-climbing vine, count the leaflets before relying on color or overall “ivy” shape","identifiableAddress":false,"exifGpsStripped":true,"derivation":"Morphology from USFS FEIS PARQUI, HEDHEL and TOXSPP. Safety guidance from NIOSH 2010-118. Plates: Britton & Brown 1913 and Thomé 1885, public domain.","technicalReviewer":"Grayson Graham","lastVerified":"2026-08-25T00:00:00.000Z","sourceUrl":"https://research.fs.usda.gov/feis/species-reviews/parqui"}}