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Taxon: Berkheya rigida (Thunb.) Ewart et al.

Genus: Berkheya
Family: Asteraceae (alt. Compositae) subfamily: Cichorioideae tribe: Arctotideae subtribe: Gorteriinae
Nomen number: 403695
Place of publication: Proc. Roy. Soc. Victoria 22:20. 1909
Name verified on: 27-Jun-2002 by ARS Systematic Botanists. Last updated: 25-Feb-2012
No species priority site assigned.


Common names:

  • African thistle   (Source: Noxweed Aus) – English
  • Augusta thistle   (Source: Noxweed Aus) – English
  • berkheya thistle   (Source: Noxweed Aus) – English
  • hamelin thistle   (Source: Noxweed Aus) – English

Economic importance:

Distributional range:

    Southern Africa: South Africa - Free State, KwaZulu-Natal, Western Cape

    Australia: Australia [s.]

    Northern Europe: United Kingdom


  • Arnold, T. H. & B. C. De Wet, eds. 1993. Plants of southern Africa: names and distribution. Mem. Bot. Surv. S. Africa no. 62. [lists as B. rigida (Thunb.) Bolus & Wolley-Dod ex Adamson & T. M. Salter].
  • Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
  • Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14.
  • Holm, L. et al. 1979. A geographical atlas of world weeds.
  • Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia.
  • Sell, P. & G. Murrell. 1996–. Flora of Great Britain and Ireland.


Check other web resources for Berkheya rigida (Thunb.) Ewart et al.:

  • Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
  • AVH: Australia's Virtual Herbarium
  • SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
  • 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.

Check other web resources for images:

  • Google 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: (05 October 2015)

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