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You are here: Home / Plants / Species Profiles / Dalmatian Toadflax
Species Profiles

Dalmatian Toadflax

Dalmatian toadflax

Scientific name: Linaria dalmatica (L.) Mill. (ITIS)

Synonym: Linaria genistifolia ssp. dalmatica (L.) Maire & Petitm. (Vujnovic and Wein 1997)

Common names: Dalmatian toadflax, broadleaf toadflax

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Selected Resources

Native To: Mediterranean Region (Vujnovic and Wein 1997)

Date of U.S. Introduction: Late 1800s or early 1900s (Vujnovic and Wein 1997)

Means of Introduction: Cultivated as an ornamental, for use in fabric dye, and for medicinal purposes (Wilson et al. 2005)

Impact: Crowds out native species (Wilson et al. 2005)

Current U.S. Distribution:


Selected Resources:

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Council or Task Force

Priority Species: Dalmatian Toadflax
Washington State Recreation and Conservation Office. Washington Invasive Species Council.

Fact Sheet: Dalmatian Toadflax (Jan 2014; PDF | 462 KB)
Alberta Invasive Species Council (Canada).
See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act


Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Dalmatian Toadflax (Mar 19, 2012; PDF | 455 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 the United States - Dalmatian Toadflax
University of Georgia. Center for Invasive Species and Ecosystem Health.

Federal Government

U.S. National Plant Germplasm System - Linaria dalmatica
USDA. ARS. National Genetic Resources Program. GRIN-Global.

Biology and Biological Control of Dalmatian and Yellow Toadflax, 3rd Edition (Jul 2016)
USDA. FS. Forest Health Technology Enterprise Team.

Fire Effects Information System (FEIS) - Linaria spp.
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

Invasive Species Technical Note - Ecology and Management of Dalmatian Toadflax (Jul 2006; PDF | 549 KB)
USDA. Natural Resources Conservation Service.
See also: Invasive Species Technical Notes for more species

PLANTS Database - Dalmatian Toadflax
USDA. NRCS. National Plant Data Center.

State Government

Encycloweedia: Data Sheet - Linaria genus
California Department of Food and Agriculture.
See also: Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources

Noxious Weed Species - Dalmatian Toadflax
Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.

Minnesota Noxious Weeds - Dalmatian Toadflax
Minnesota Department of Agriculture.

Dalmatian and Yellow Toadflax (PDF | 220 KB)
City and County of Butte-Silver Bow (Montana).

Class B Noxious Weed: Dalmatian Toadflax
Washington State Noxious Weed Control Board.

King County (Washington) Noxious Weed Control Program - Dalmatian Toadflax
King County Department of Natural Resources (Washington). Water and Land Resources Division.

Dalmatian Toadflax: Options for Control (PDF | 366 KB)
Lincoln County Noxious Weed Control Board (Washington).

See also: Weed I.D. and Options for Control for more species

Thurston County Noxious Weed Fact Sheet: Dalmatian Toadflax (Feb 2017; PDF | 356 KB)
Thurston County Noxious Weed Program (Washington).
See also: Noxious Weed Fact Sheets for more species


Weed Control in Natural Areas in the Western United States: Dalmatian Toadflax (2013; PDF | 250 KB)
University of California. Weed Research and Information Center.
See also: Weeds in Natural Areas for more information sheets

Natural Resources Series: Range - Biology and Management of the Toadflaxes
Colorado State University Extension.

Weed Information - Dalmatian Toadflax
New Mexico State University.

Identification and Control of Invasive and Troublesome Weeds in North Dakota - Dalmatian Toadflax and Yellow Toadflax (PDF | 570 KB)
North Dakota State University. Extension Service.
See also: Identification and Control of Invasive and Troublesome Weeds in North Dakota for more fact sheets

Invasive Species Management in South Dakota - Yellow and Dalmatian Toadflax (Feb 2007; PDF | 457 KB)
South Dakota State University.
See also: Extension Fact Sheets for more species.


Noxious Weed Information - Dalmatian Toadflax
Colorado Weed Management Association.

Weed Identification - Dalmatian Toadflax
Montana Weed Control Association.


Integrated Taxonomic Information System. Linaria dalmatica. [Accessed Sep 10, 2014].

Vujnovic, K. and R.W. Wein. 1997. The biology of Canadian weeds. 106. Linaria dalmatica (L.) Mill. Canadian Journal of Plant Science 77(3):483-491.

Wilson, L.M., S.E. Sing, G.L. Piper, R.W. Hansen, R. De Clerck-Floate, D.K. MacKinnon, and C.B. Randall. 2005. Biology and biological control of Dalmatian and yellow toadflax (PDF | 3.02 MB) (FHTET-05-13) Morgantown, West Virginia: U.S. Forest Service Forest Health Technology Enterprise Team.

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Last Modified: May 09, 2018
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