Terrestrial Plants

How Invasive Species (Slowly) Push Plants Toward Extinction

"A new paper suggests we need to rethink our models about endangered plant species.

Japanese knotweed. Purple loosestrife. Kudzu. Mesquite. Giant hogweed. Bitou bush. What do all of these plants have in common? Easy: they’re all among the most invasive plant species on the planet. Wherever they turn up, native species often get squeezed out and pushed toward extinction.

Native Plants for Ecology and Horticulture

"The United States has a rich native flora of over 18,000 native plant species. Plants color our distinctive and inspirational landscapes and provide a multitude of ecological goods and services. Native plants continue to provide new material for domestic gardens and urban spaces. Increasingly naturalistic planting schemes draw on the rich palette of native species combined with plants from...

Disease That Could Wipe Out Black Walnut Trees in East Moving Toward New York

Syracuse, N.Y. -- A tree disease capable of wiping out black walnuts across the Eastern U.S. is heading for New York.

Thousand cankers disease has arrived in Ohio and Pennsylvania. It has not yet been found in New York state, but it could be on its way, or even here already.

"It could come into New York at any time," said Karen Snover-Clift, director of the plant...