A major concern of environmentalists is the introduction of invasive species into an ecosystem. Invasive species.gov defines "invasive species" as a species that is non-native to an ecosystem under ...

English ivy (Hedera helix), a heavy, woody vine with handsome, dark-green, waxy leaves, is believed to have been brought to the New World by European colonists in the 1700s. They likely appreciated ...

English ivy (Hedera helix) grows around and up the base of a rose bush in Nassau County, N.Y. (Jessica Damiano) English ivy (Hedera helix), a heavy, woody vine with handsome, dark-green, waxy leaves, ...

Journal of Experimental Botany, Vol. 63, No. 1 (2012), pp. 191-201 (11 pages) Abstract Root climbers such as English ivy (Hedera helix) rely on specialized adventitious roots for attachment, enabling ...

Seeing an entire forest overtaken by ivy is sobering, but awareness is the first step toward change. Each gardener, homeowner, and community that chooses native species instead of invasives helps ...

Elite colleges and universities may prize the English ivy climbing up musty old walls, but in the environment, English ivy is a destructive invader. All along the George Washington Memorial Parkway, ...

The Washington State Department of Agriculture is considering adding English ivy (Hedera helix) and Atlantic ivy (Hedera hiberica) to the Noxious Weed Seed and Plant Quarantine. The rule prohibits the ...

Although English ivy (Hedera helix) is widely cultivated in Florida, Algerian ivy is more suitable for our climate. Algerian ivy (H. canariensis), native to North Africa and the Canary Islands, makes ...

A common yard plant -- English ivy -- could be on its way out of Washington parks and gardens. According to Susan Hutton, executive director of the Whatcom Million Trees Project, the banned plants ...