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Agricultural Research Service, Beltsville Area

Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
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Taxon: Cuscuta spp.*

Genus: Cuscuta
Family: Convolvulaceae tribe: Cuscuteae. Also placed in: Cuscutaceae
Nomen number: 317044
Comment: *catch-all record for unidentified or unnamed plants of Cuscuta
Name verified on: 30-Apr-1992 by ARS Systematic Botanists. Last updated: 09-Feb-2012
No species priority site assigned.


A declared noxious weed by USDA-APHIS (except for natives).
A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:
AL°, AL(except for natives)*, AR*°, AZ*°, CA(non-native )*°, CO°, CT°, DE°, FL(except native Florida species)*°, GA°, HI°, IA°, ID°, IL°, IN°, KS°, KY°, LA°, MA*°, MD°, ME°, MI*°, MN°, MO°, MS°, MT°, NC°, ND(except C. coryli)°, NE°, NH°, NJ°, NM°, NV°, NY°, OH°, OK*°, OR(except northwest natives)*°, PA°, PR*, RI°, SC°, SD*°, TN°, TX°, UT°, VA°, VT°, WA°, WI°, WV°, WY*°.
ªAquatic. *Terrestrial. °In seed.
noxious weed information from Invaders Database System for northwestern U.S.

Common names:

  • dodder   (Source: NPB State Noxweed AZ []) – English

Economic importance:


Distributional range:

      Native: (links to other web resources are provided for some distributions)
    Northern Africa: Algeria; Egypt; Libya; Morocco; Tunisia
    Northeast Tropical Africa: Eritrea; Ethiopia
    East Tropical Africa: Kenya; Tanzania; Uganda
    South Tropical Africa: Angola; Mozambique; Zambia; Zimbabwe
    Southern Africa: Namibia; South Africa - Cape Province, KwaZulu-Natal, Transvaal; Swaziland
    Arabian Peninsula: Kuwait
    Western Asia: Afghanistan; Cyprus; Egypt - Sinai; Iran; Iraq; Israel; Jordan; Lebanon; Syria; Turkey
    Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Ciscaucasia, Dagestan
    Siberia: Russian Federation - Eastern Siberia, Western Siberia
    Middle Asia: Kazakhstan; Kyrgyzstan; Tajikistan; Turkmenistan; Uzbekistan
    Mongolia: Mongolia
    Russian Far East: Russian Federation - Amur, Primorye, Sakhalin
    China: China - Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Monggol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan, Zhejiang
    Eastern Asia: Japan - Hokkaido, Honshu, Kyushu, Ryukyu Islands, Shikoku; Korea; Taiwan
    Indian Subcontinent: Bhutan; India; Nepal; Pakistan; Sri Lanka
    Indo-China: Myanmar; Thailand; Vietnam
    Malesia: Indonesia; Malaysia; Papua New Guinea
    Australia: Australia - New South Wales, Queensland, South Australia, Tasmania, Victoria, Western Australia
    Northern Europe: Denmark; Finland; Ireland; Norway; Sweden; United Kingdom
    Middle Europe: Austria; Belgium; Czechoslovakia; Germany; Hungary; Netherlands; Poland; Switzerland
    East Europe: Belarus; Estonia; Latvia; Lithuania; Moldova; Russian Federation - European part; Ukraine
    Southeastern Europe: Albania; Bulgaria; Former Yugoslavia; Greece; Italy; Romania
    Southwestern Europe: France; Portugal; Spain
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Eastern Canada: Canada - New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec
    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, Oklahoma, South Dakota, Wisconsin
    Northwestern U.S.A.: United States - Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, District of Columbia, Florida, 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
    Northern Mexico: Mexico - Baja California, Baja Sur, Chihuahua, San Luis Potosi, Sinaloa, Sonora
    Southern Mexico: Mexico - Colima, Guerrero, Jalisco, Mexico, Michoacan, Morelos, Nayarit, Oaxaca, Puebla, Yucatan
    Caribbean: Anguilla; Antigua and Barbuda - Antigua; Bahamas; Barbados; Cuba; Dominica; Grenada; Guadeloupe; Jamaica; Martinique; Montserrat; Netherlands Antilles - Saba, St. Eustatius; St. Kitts and Nevis - St. Kitts; St. Lucia; St. Vincent and Grenadines; Virgin Islands (British) - Tortola, Virgin Gorda; Virgin Islands (U.S.) - St. Croix, St. John, St. Thomas
    Mesoamerica: Belize; Costa Rica; Guatemala; Honduras; Nicaragua
    Northern South America: Venezuela
    Brazil: Brazil
    Western South America: Colombia; Ecuador - Guayas, Los Rios, Manabi; Peru
    Southern South America: Argentina - Buenos Aires, Jujuy, Mendoza, San Juan; Chile; Uruguay

  • widely naturalized



Check other web resources for Cuscuta spp.:


  • Seeds or fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University
  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (29 August 2015)

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