Invasive plants in 21st century landscapes.
Contributors: Rapp, Valerie.; Pacific Northwest Research Station (Portland, Or.)
Series: Pacific Northwest Research Station science update -- issue 9.; Science update (Portland, Or.) -- issue 9.
Publisher: Pacific Northwest Research Station, USDA Forest Service
Published: 2005
Place of publication: Portland, Or
Language: eng
Number of pages: 11
Subjects: Invasive plants -- Northwest, Pacific.; Alien plants -- Northwest, Pacific.; Plant invasions -- Northwest, Pacific.
Notes: Caption title.

"Valerie Rapp, science writer"--P. 2.

"March 2005."

Includes bibliographical references (p. 11).

Also available on the Internet.