Taxon: Rudbeckia hirta L.

See also subordinate taxa:

• Rudbeckia hirta var. angustifolia (no accessions)
• Rudbeckia hirta var. floridana (no accessions)
• Rudbeckia hirta var. hirta (no accessions)
• Rudbeckia hirta var. pulcherrima (no accessions)

Common names:

• black-eyed-Susan   (Source: Hortus 3 ) – English
  
• marguerite jaune   (Source: Dict Gard ) – French
  
• rauer Sonnenhut   (Source: Zander Ency ) – German
  
• sommarrudbeckia   (Source: Vara kulturvaxt namn ) – Swedish   [Rudbeckia hirta var. pulcherrima]
  
• sträv rudbeckia   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Environmental: ornamental   (fide Dict Gard)
  
• Vertebrate poisons: mammals   (fide Kingsbury; Lampe & McCann)
  

More:

View toxicology references for Rudbeckia hirta from FDA Poisonous Plant Database

View ethnobotanical data from Duke's Phytochemical and Ethnobotanical Databases

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• 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 [e.], Wyoming [e.]
  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 [n.e.], Texas [e.]

• ASIA-TEMPERATE
  China: China
• EUROPE
  Northern Europe: Norway; United Kingdom
  Middle Europe: Austria; Belgium; Czech Republic; Germany; Hungary; Poland; Switzerland
  East Europe: Belarus; Latvia; Moldova; Russian Federation - European part; Ukraine [incl. Krym]
  Southeastern Europe: Italy; Romania; Slovenia
  Southwestern Europe: France; Spain
• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Canada
  United States
• SOUTHERN AMERICA
  Caribbean: Cuba

• EUROPE
  Middle Europe: Netherlands; Slovakia

• also cultivated

• exact native range obscure

References:

• Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98.
• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas.
• Dorn, R. D. 1977. Manual of the vascular plants of Wyoming.
• Englert, J. M. et al. 1999–. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators.
• Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen.
• 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.
• Gandhi, K. N. & R. D. Thomas. 1989. Asteraceae of Louisiana.
• Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2.
• Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening.
• Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. [poisonous].
• Lampe, K. F. & M. A. McCann. 1985. AMA handbook of poisonous and injurious plants. [poisonous].
• Liberty Hyde Bailey Hortorium. 1976. Hortus third.
• Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
• 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.
• McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
• Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967–. The vascular flora of Ohio.
• Perdue, R. E., Jr. 1957. Synopsis of Rudbeckia subgenus Rudbeckia. Rhodora 59:295–296.
• Radford, A. E. et al., eds. 1980–. Vascular flora of the southeastern United States.
• Scoggan, H. J. 1978–1979. The flora of Canada, 4 vol.
• Sell, P. & G. Murrell. 1996–. Flora of Great Britain and Ireland.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• Voss, E. 1972–. Michigan flora.
• Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).

More:

Search AGRICOLA article citation database for citations referencing Rudbeckia hirta.

Search NCBI's Entrez search engine for PubMed citations referencing Rudbeckia hirta.

Search Biodiversity Heritage Library for historical publications referencing Rudbeckia hirta.

Synonyms:

• Rudbeckia bicolor Nutt. [= Rudbeckia hirta var. pulcherrima]
  
• Rudbeckia floridana T. V. Moore [≡ Rudbeckia hirta var. floridana]
  
• Rudbeckia floridana var. angustifolia T. V. Moore [≡ Rudbeckia hirta var. angustifolia]
  
• Rudbeckia hirta var. corymbifera Fernald [= Rudbeckia hirta var. pulcherrima]
  

Check other web resources for Rudbeckia hirta L.:

• Flora Europaea: Database of European Plants (ESFEDS)
• Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• Flora of China: Online version from Harvard University
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• GRIN Images of germplasm accessions.
• Fruits: U.S. National Seed Herbarium image
• Fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional 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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