Taxon: Grindelia squarrosa (Pursh) Dunal

Summary

Genus:

Grindelia

Family:

Asteraceae (alt. Compositae)

Subfamily:

Asteroideae

Tribe:

Astereae

Nomen number:

316702

Place of publication:

Mém. Mus. Hist. Nat. 5:50. 1819

Protologue link:

https://www.biodiversitylibrary.org/page/34814120

Verified:

03/12/2012 ARS Systematic Botanists.

Accessions:

56 (56 active, 23 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Grindelia squarrosa (Pursh) Dunal var. nuda (Alph. Wood) A. Gray (2 active accession[s])
Grindelia squarrosa (Pursh) Dunal var. quasiperennis Lunell (4 active accession[s])
Grindelia squarrosa (Pursh) Dunal var. serrulata (Rydb.) Steyerm. (3 active accession[s])
Grindelia squarrosa (Pursh) Dunal var. squarrosa (1 active accession[s])

Autonyms (not in current use), synonyms and invalid designations

No images

Links

Forestry Images – from www.forestryimages.org

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
American Herbal Products Association. 1992. Herbs of commerce
Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 240-241.
Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs
Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1443.
Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
FNA Editorial Committee. 1993-. Flora of North America.
Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Jones, G. N. & G. D. Fuller. 1955. Vascular plants of Illinois.
Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2
McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.
Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.
Welsh, S. L. et al. 1993. A Utah flora.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
2018. Mid-Atlantic invasive plant species (on-line resource)

Common names

Language	Name	note	seq	Citation
English	curly-cup gumweed		1	Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2
English	grindelia		1	American Herbal Products Association. 1992. Herbs of commerce
English	gumweed		1	American Herbal Products Association. 1992. Herbs of commerce
English (Canada)	gumweed	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 240-241.
French (Canada)	herbe à gomme	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 240-241.
German	sperriges Gummikraut		2	Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1443.
Swedish	grindelia		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Alberta		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	British Columbia		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan		FNA Editorial Committee. 1993-. Flora of North America.
3	Adventive	Europe	Middle Europe	Belgium			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
3	Adventive	Europe	Middle Europe	Czech Republic			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
3	Adventive	Europe	Northern Europe	Sweden			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
3	Adventive	Europe	Southeastern Europe	Romania			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Temperate	China	China	Liaoning Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Europe	Eastern Europe	Estonia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Latvia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Lithuania			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Moldova			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Russian Federation-European part	European part		Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Eastern Europe	Ukraine		incl. Krym	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Connecticut		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Hampshire		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Rhode Island		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Vermont		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Oregon		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Washington		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Delaware		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	District of Columbia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.

Native
Northern America

WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, British Columbia]
NORTHEASTERN U.S.A.: United States [Indiana]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Wyoming]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, Nevada, Utah]
NORTHERN MEXICO: Mexico [Chihuahua]

Adventive
Europe

NORTHERN EUROPE: Sweden
MIDDLE EUROPE: Belgium, Czech Republic
SOUTHEASTERN EUROPE: Romania

Naturalized
Asia-Temperate

CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia]
CHINA: China [Liaoning Sheng]

Europe

EASTERN EUROPE: Russian Federation-European part [European part], Estonia, Lithuania, Latvia, Moldova, Ukraine (incl. Krym)

Northern America

EASTERN CANADA: Canada [Québec, Ontario]
NORTHEASTERN U.S.A.: United States [Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont]
NORTH-CENTRAL U.S.A.: United States [Wisconsin]
NORTHWESTERN U.S.A.: United States [Oregon, Washington]
SOUTHEASTERN U.S.A.: United States [Arkansas, Delaware, Kentucky, Maryland, Virginia, District of Columbia]
SOUTHWESTERN U.S.A.: United States [California]

Reference(s)

Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
FNA Editorial Committee. 1993-. Flora of North America.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Reference
Medicines	folklore	Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs
Medicines	folklore	McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.
Vertebrate poisons	mammals	Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=316702. Accessed 13 May 2026.