alpine knapweed USDA PLANTS Symbol: CENI3
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Centaurea nigrescens Willd

Jump to: Resources | Images | Distribution Maps | Sources
Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae
Synonym(s): Tyrol knapweed, short-fringed knapweed, vochin knapweed
Native Range: temp. Asia & Europe (GRIN);

Identification, Biology, Control and Management Resources

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s); in flower
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); hybrid of meadow knapweed and yellow starthistle
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

Alternative content

Get Adobe Flash player





Invasive Listing Sources:
Faith Campbell, 1998
Faith Campbell, 1998
Faith Campbell, 1998
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
Mid-Atlantic Exotic Pest Plant Council, 2005
Pacific Northwest Exotic Pest Plant Council, 1998
Virginia Department of Conservation and Recreation, 2009