Taxon: Epilobium ciliatum Raf.

Summary

Genus:

Epilobium

Family:

Onagraceae

Subfamily:

Onagroideae

Tribe:

Epilobieae

Nomen number:

450339

Place of publication:

Med. Repos. ser. 2, 5:361. 1808

Verified:

05/04/2006 ARS Systematic Botanists.

Accessions:

7 (5 active, 4 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Epilobium ciliatum Raf. subsp. ciliatum (13 active accession[s])
Epilobium ciliatum Raf. subsp. glandulosum (Lehm.) Hoch & P. H. Raven (1 active accession[s])
Epilobium ciliatum Raf. subsp. watsonii (Barbey) Hoch & P. H. Raven (0 active accession[s])

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

Images (3 total. Click on image for more.)

Conservation Status

Reference(s)

Chen, C.-J. et al. 1992. Systematics of Epilobium (Onagraceae) in China. Syst. Bot. Monogr. 34:164-167.
Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
Cronquist, A. et al. 1972-. Intermountain flora.
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Iwatsuki, K. et al. 1993-. Flora of Japan.
Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
Porsild, A. E. & W. J. Cody. 1980. Vascular plants of continental Northwest Territories, Canada
Tutin, T. G. et al., eds. 1964-1980. Flora europaea. Note: mentions
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.

Common names

Language	Name	Alternate name	note	seq	Citation
English	American willowherb			1	Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
English	glandular willowherb			1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	China	China	Heilongjiang Sheng	n.	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	China	China	Jilin Sheng	e.	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	Eastern Asia	Japan	Hokkaidô		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Korea			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Habarovskij kraj
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Kamčatskij kraj
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Kurile Islands
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Primorye
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Sakhalin
1	Native	Northern America	Eastern Canada	Canada	Ontario
1	Native	Northern America	North-Central U.S.A.	United States	Illinois
1	Native	Northern America	North-Central U.S.A.	United States	Iowa
1	Native	Northern America	North-Central U.S.A.	United States	Kansas
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana
1	Native	Northern America	Northeastern U.S.A.	United States	Maine
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey
1	Native	Northern America	Northeastern U.S.A.	United States	New York
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Coahuila de Zaragoza		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Durango		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho		Cronquist, A. et al. 1972-. Intermountain flora.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon
1	Native	Northern America	Northwestern U.S.A.	United States	Washington
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
1	Native	Northern America	South-Central U.S.A.	United States	Texas
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Ciudad de México		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	México		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Morelos		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Tlaxcala		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona
1	Native	Northern America	Southwestern U.S.A.	United States	California
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada		Cronquist, A. et al. 1972-. Intermountain flora.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		Cronquist, A. et al. 1972-. Intermountain flora.
1	Native	Northern America	Subarctic America	Canada	Northwest Territories		Porsild, A. E. & W. J. Cody. 1980. Vascular plants of continental Northwest Territories, Canada
1	Native	Northern America	Subarctic America	Greenland
1	Native	Northern America	Subarctic America	United States	Alaska
1	Native	Northern America	Western Canada	Canada	Alberta
1	Native	Northern America	Western Canada	Canada	British Columbia
1	Native	Northern America	Western Canada	Canada	Manitoba
1	Native	Northern America	Western Canada	Canada	Saskatchewan
1	Native	Southern America	Central America	Guatemala
1	Native	Southern America	Southern South America	Argentina	Chubut		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Córdoba		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Mendoza		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Neuquén		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Río Negro		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	San Juan		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	San Luis		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Santa Cruz		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Argentina	Tierra del Fuego		Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
1	Native	Southern America	Southern South America	Chile			Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
4	Naturalized	Australasia	Australia	Australia			Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
4	Naturalized	Australasia	New Zealand	New Zealand			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Europe		Europe		possibly	Tutin, T. G. et al., eds. 1964-1980. Flora europaea. Note: mentions

Native
Asia-Temperate

RUSSIAN FAR EAST: Russian Federation [Kurile Islands, Habarovskij kraj, Primorye, Kamčatskij kraj, Sakhalin]
CHINA: China [Heilongjiang Sheng (n.), Jilin Sheng (e.)]
EASTERN ASIA: Korea, Japan [Hokkaidô, Honshu]

Northern America

SUBARCTIC AMERICA: Canada [Northwest Territories], Greenland, United States [Alaska]
EASTERN CANADA: Canada [Ontario]
WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, British Columbia]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Idaho, Montana, Oregon, Washington, Wyoming]
SOUTHEASTERN U.S.A.: United States [Delaware, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Baja California (Norte), Baja California Sur, Chihuahua, Coahuila de Zaragoza, Durango, Nuevo León, Sinaloa]
SOUTHERN MEXICO: Mexico [Chiapas, Ciudad de México, Guanajuato, Hidalgo, Jalisco, México, Michoacán de Ocampo, Morelos, Oaxaca, Puebla, Querétaro, Tlaxcala, Veracruz de Ignacio de la Llave]

Southern America

CENTRAL AMERICA: Guatemala
SOUTHERN SOUTH AMERICA: Argentina [Chubut, Córdoba, Mendoza, Neuquén, Río Negro, San Juan, San Luis, Santa Cruz, Tierra del Fuego], Chile

Naturalized
Australasia

AUSTRALIA: Australia
NEW ZEALAND: New Zealand

Europe

REGION: Europe (possibly)

Reference(s)

Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
Cronquist, A. et al. 1972-. Intermountain flora.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
Porsild, A. E. & W. J. Cody. 1980. Vascular plants of continental Northwest Territories, Canada
Tutin, T. G. et al., eds. 1964-1980. Flora europaea. Note: mentions
Villaseñor, J. L. 2016. Checklist of the native vascular plants of Mexico. Rev. Mex. Biodivers. 87:809.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

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=450339. Accessed 12 May 2026.