Directory of Cirsium Resources

Home > Science > Biology > Flora and Fauna > Plantae > Magnoliophyta > Magnoliopsida > Asteraceae > Cirsium

Genus of plants in the Aster family, the prickly thistles.

Resources in This Category

• A Close-up View of the Canadian Thistle

  http://www.microscopy-uk.org.uk/mag/artaug06/bj-CanThistle.html
  Photographic study by Brian Johnston of the creeping thistle, Cirsium arvense, with many fine images, both macroscopic and microscopic.

• A Close-up View of Two Thistles

  http://www.microscopy-uk.org.uk/mag/artjun04/bjthistle.html
  Photographic study by Brian Johnston of Cirsium vulgare and Carduus nutans, with fine images of flowers, stems and prickles.

• Cirsium arvense

  http://www.plant-identification.co.uk/skye/compositae/cirsium-arvense.htm
  Several photographs of the Creeping Thistle and some identifying features.

• Cirsium heterophyllum

  http://www.plant-identification.co.uk/skye/compositae/cirsium-helenioides.htm
  Several photographs of the Melancholy Thistle and some identifying features.

• Cirsium incanum

  http://www.agroatlas.ru/en/content/weeds/Cirsium_incanum/
  Photograph, description, distribution, ecology and economic significance.

• Cirsium palustre

  http://www.plant-identification.co.uk/skye/compositae/cirsium-palustre.htm
  Two photographs and a description of the Marsh Thistle.

• Cirsium setosum

  http://www.agroatlas.ru/en/content/weeds/Cirsium_setosum/
  Photograph, description, distribution, ecology and economic significance of bristly thistle.

• Cirsium vulgare

  http://www.plant-identification.co.uk/skye/compositae/cirsium-vulgare.htm
  Photographs and description of the Spear Thistle, including one in its natural habitat on the Isle of Skye.

 

Home > Science > Biology > Flora and Fauna > Plantae > Magnoliophyta > Magnoliopsida > Asteraceae > Cirsium

 

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