Taxon: Carduus tenuiflorus Curtis

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

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:

CA*°, OR*°, WA*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• sheep thistle   (Source: Aust Pl Common Names ) – English
  
• shore thistle   (Source: Noxweed Aust ) – English
  
• slender thistle   (Source: Econ Pl Aust ) – English
  
• slender-flower thistle   (Source: World Econ Pl ) – English
  
• winged slender thistle   (Source: Aust Pl Common Names ) – English
  
• winged thistle   (Source: Websters Dict ) – English
  
• dünnköpfige Distel   (Source: Zander Ency ) – German
  

Economic importance:

• Weed: potential seed contaminant   (fide Econ Pl Aust)
  

Distributional range:

• AFRICA
  Northern Africa: Algeria [n.]; Morocco; Tunisia
• EUROPE
  Northern Europe: Ireland; United Kingdom
  Middle Europe: Belgium; Netherlands
  Southeastern Europe: Italy [incl. Sardinia, Sicily]
  Southwestern Europe: France [incl. Corsica]; Portugal; Spain [incl. Baleares]

• AFRICA
  Macaronesia: Portugal - Azores, Madeira Islands; Spain - Canary Islands
  Southern Africa: South Africa - Eastern Cape, KwaZulu-Natal, Mpumalanga, Western Cape
• ASIA-TROPICAL
  Indian Subcontinent: India - Jammu and Kashmir
• AUSTRALASIA
  Australia: Australia
  New Zealand: New Zealand
• EUROPE
  Middle Europe: Switzerland
• NORTHERN AMERICA
  Northeastern U.S.A.: United States - New Jersey, Pennsylvania
  Northwestern U.S.A.: United States - Oregon, Washington
  South-Central U.S.A.: United States - Texas
  Southwestern U.S.A.: United States - California
• SOUTHERN AMERICA
  Southern South America: Argentina; Uruguay

• EUROPE
  Northern Europe: Norway; Sweden
  Middle Europe: Czech Republic; Poland

References:

• Ali, S. I. & S. M. H. Jafri, eds. 1976–. Flora of Libya. [mentions].
• Allan, H. H. B. et al. 1961–. Flora of New Zealand.
• 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.
• Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14.
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
• 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).
• Izquierdo Z., I. et al., eds. 2004. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres.
• Jahandiez, E. & R. Maire. 1931–1941. Catalogue des plantes du Maroc. [treats as C. pycnocephalus subsp. tenuiflorus (Curtis) Batt.].
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia.
• Pottier-Alapetite, G. 1979–1981. Flore de la Tunisie: Angiospermes-Dicotyledones. [treats as C. pycnocephalus subsp. tenuiflorus (Curtis) Batt.].
• Quézel, P. & S. Santa. 1962–1963. Nouvelle flore de l'Algerie. [treats as C. pycnocephalus subsp. tenuiflorus (Curtis) Batt.].
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Sharma, B. D. et al., eds. 1993–. Flora of India.
• Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta).
• Turner, B. L. et al. 2003. Atlas of the vascular plants of Texas. Sida Botanical Miscellany no. 24.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• Webster's third new international dictionary.

More:

Search AGRICOLA article citation database for citations referencing Carduus tenuiflorus.

Search NCBI's Entrez search engine for PubMed citations referencing Carduus tenuiflorus.

Search Biodiversity Heritage Library for historical publications referencing Carduus tenuiflorus.

Check other web resources for Carduus tenuiflorus Curtis:

• 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 del Conosur: Catálogo de las Plantas Vasculares del Conosur
• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• 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:

• Forestry Images: Images of invasive weeds from www.forestryimages.org

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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