Invasive Plants of California's Wildlands - Cytisus
California Invasive Plant Council.
Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA.
Pacific Island Ecosystems at Risk (PIER) - Cytisus scoparius
Institute of Pacific Islands Forestry.
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Scotch Broom (Feb 7, 2011; PDF | 172 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Invasive Plant Atlas of New England (IPANE) - Scotch broom
University of Georgia. Center for Invasive Species and Ecosystem Health.
Invasive Plant Atlas of the United States - Scotch
University of Georgia. Center for Invasive
Species and Ecosystem Health.
Invasive Species Compendium - Cytisus scoparius
Global Invasive Species Database - Cytisus scoparius (shrub)
IUCN. Species Survival Commission. Invasive Species Specialist Group.
U.S. National Plant Germplasm System - Cytisus scoparius
USDA. ARS. National Genetic Resources Program. GRIN-Global.
PLANTS Database - Scotch Broom
USDA. NRCS. National Plant Data Center.
Fire Effects Information System (FEIS) - Cytisus scoparius, C. striatus
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.
Weeds in Australia - English Broom (Cytisus scoparius)
Australian Government. Department of the Environment.
Designated Weed of National Significance
English Broom - Information Notes
Victoria Department of Primary Industries (Australia).
Encycloweedia: Data Sheet - Brooms (Scotch, French, and Spanish)
California Department of Food and Agriculture.
Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources.
Broom (PDF | 211 KB)
State of California. Plumas County. Plumas-Sierra Noxious Weeds Management Group.
B Noxious Weed: Scotch Broom
Washington State Noxious Weed Control Board.
King County (Washington). Noxious Weed Control Program.
Integrated Pest Management Prescription: Scotch Broom (Jul 2009; PDF | 721 KB)
State of Washington. Thurston County Noxious Weed Control Agency.
Scotch broom (Cytisus scoparius)
Wisconsin Department of Natural Resources.
Pest Notes: Brooms
University of California. Statewide Integrated Pest Management Program.
Pest Notes are peer-reviewed scientific publications about specific pests or pest management topics, directed at California's home and landscape audiences.
Weed Control in Natural Areas in the Western United States: Scotch Broom (2013; PDF | 278 KB)
University of California. Weed Research and Information Center.
Biology, Ecology, and Management of Scotch Broom (Dec 2010; PDF | 3.03 MB)
Montana State University. Extension.
Introduced Species Summary Project - Scotch Broom
Columbia University. Center for Environmental Research and Conservation.
Broom (PNW 103) (Revised Jul 2008; PDF | 692 KB)
Oregon State University. Extension and Experiment Station.
Species Fact Sheet: Scotch Broom (2010; PDF | 362 KB)
Learning Center of the American Southwest.
Weed Identification - Scotch Broom
Montana Weed Control Association.
Vancouver Island & British
Columbia Mainland's Grassroots Scotch Broom Containment
Campaign - BroomBusters
Broombusters Invasive Plant Society (Canada).