Taxon: Sium suave Walter

Summary

Genus:

Sium

Family:

Apiaceae (alt. Umbelliferae)

Subfamily:

Apioideae

Tribe:

Oenantheae

Nomen number:

34478

Place of publication:

Fl. carol. 115. 1788

Verified:

11/07/1985 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

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

Heterotypic Synonym(s)
Sium cicutifolium Schrank

No images

Conservation Status

Reference(s)

Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants.
Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Cronquist, A. et al. 1972-. Intermountain flora.
Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 187.
Davis, R. 1952. Flora of Idaho.
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Godfrey, R. K. & J. W. Wooten. 1979-1981. Aquatic and wetland plants of southeastern United States, 2 vol.
Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
Hitchcock, C. L. & A. Cronquist. 1973. Flora of the Pacific Northwest: an illustrated manual.
Hultén, O. E. G. 1968. Flora of Alaska and neighboring territories.
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
Kearney, T. H. & R. H. Peebles. 1969. Arizona flora, ed. 2.
Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Li, H. L. et al., eds. 1975-1979. Flora of Taiwan.
Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
Mohlenbrock, R. H. 1975. Guide to the vascular flora of Illinois.
Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
St. John, H. 1963. Flora of southeastern Washington and adjacent Idaho, ed. 3.
Steyermark, J. A. 1977. Flora of Missouri.
Watson, M. F. 1996. pers. comm. Note: re. common names
Welsh, S. L. et al. 1993. A Utah flora.
Wunderlin, R. P. 1998. Guide to the vascular plants of Florida

Common names

Language	Name	note	seq	Citation
English	hemlock water-parsnip		1	Wunderlin, R. P. 1998. Guide to the vascular plants of Florida
English	water-parsley		1	Steyermark, J. A. 1977. Flora of Missouri.
English	water-parsnip		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English (Canada)	water-parsnip	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 187.
French (Canada)	berle douce	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 187.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Amur		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Habarovskij kraj		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Kamčatskij kraj		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Magadanskaja oblast'		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Primorye		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Sakhalin		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Asia-Temperate	Siberia	Russian Federation-Eastern Siberia	Eastern Siberia		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Northern America	Eastern Canada	Canada	New Brunswick
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia
1	Native	Northern America	Eastern Canada	Canada	Ontario
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island
1	Native	Northern America	Eastern Canada	Canada	Québec
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		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		Steyermark, J. A. 1977. Flora of Missouri.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
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	Vermont
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado
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		Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	n.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		Kearney, T. H. & R. H. Peebles. 1969. Arizona flora, ed. 2.
1	Native	Northern America	Southwestern U.S.A.	United States	California		Hickman, J. C., ed. 1993. The Jepson manual: higher plants of 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		Welsh, S. L. et al. 1993. A Utah flora.
1	Native	Northern America	Subarctic America	Canada	Northwest Territories
1	Native	Northern America	Subarctic America	United States	Alaska		Hultén, O. E. G. 1968. Flora of Alaska and neighboring territories.
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

Native
Asia-Temperate

SIBERIA: Russian Federation-Eastern Siberia [Eastern Siberia]
RUSSIAN FAR EAST: Russian Federation [Habarovskij kraj, Primorye, Amur, Kamčatskij kraj, Magadanskaja oblast', Sakhalin]

Northern America

SUBARCTIC AMERICA: Canada [Northwest Territories], United States [Alaska]
EASTERN CANADA: Canada [New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Québec]
WESTERN CANADA: Canada [Alberta, British Columbia, Manitoba, Saskatchewan]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida (n.), Georgia, Kentucky, Louisiana, Maryland, Mississippi, 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]

Reference(s)

Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist
Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants.
Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Cronquist, A. et al. 1972-. Intermountain flora.
Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
Hultén, O. E. G. 1968. Flora of Alaska and neighboring territories.
Kearney, T. H. & R. H. Peebles. 1969. Arizona flora, ed. 2.
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains.
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
Steyermark, J. A. 1977. Flora of Missouri.
Welsh, S. L. et al. 1993. A Utah flora.

Economic Uses

Usage	Type	Note	Reference
Medicines	folklore		Watson, M. F. 1996. pers. comm. Note: re. common names
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=34478. Accessed 14 April 2026.