found: Work cat.: Ramsey, T.F. Invasion of English ivy (Hedera spp., Araliaceae) into Pacific Northwest forests, 2005:leaves 1-2 (the diploid H. helix and the tetraploid H. hibernica; both species are commonly called "English ivy"; H. helix is thought to be a progenitor of H. hibernica) leaf 56 (H. hibernica, identified by Metcalfe as H. helix subsp. hibernica) leaf 61 (H. hibernica is morphologically similar to H. helix, but has a smaller geographic distribution that is limited to coastal regions of the UK and western Europe; vast majority of plants of invasive ivy in B.C., Oregon, and Wash. State are H. hibernica)
found: Plants database, July 3, 2006(Hedera hibernica (Kirchn.) Bean., Atlantic Ivy. Synonym: Hedera helix L. var. hibernica (Kirchn.) Jaeger. Noxious weed common name: Washington: English ivy)
found: NCBI taxonomy browser, July 3, 2006(Hedera helix subsp. hibernica. Synonym: Hedera hibernica. Common name: Atlantic ivy)
found: Wikipedia, July 3, 2006(Hedera hibernica is a species of Ivy (genus Hedera) which is native to the Atlantic coast of Europe. Its common names are the Atlantic Ivy or Irish Ivy. H. hibernica, like the related H. helix (English Ivy), is a dangerously invasive weed in parts of North America with mild winters.)
found: GRIN taxonomy, via WWW, July 3, 2006(Hedera hibernica (G. Kirchn.) Bean. Synonym of Hedera helix L. subsp. hibernica (G. Kirchn.) D.C. McClint. Common names: Atlantic ivy, Irish ivy)
