Carduus tenuiflorus

Familia: Asteraceae
Subfamilia: Carduoideae
Tribus: Cardueae
Subtribus: Carduinae
Genus: Carduus
Species:
Subspecies: C. t. subsp. sardous – C. t. subsp. tenuiflorus

Carduus tenuiflorus Curtis, Flora Londinensis 2(6,61): pl. 55. (1789).

• Curtis, W., Flora Londinensis 2(6): t. 55 (168,169). 1793

• Hassler, M. 2018. Carduus tenuiflorus. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Apr. 20. Reference page. 
• International Plant Names Index. 2018. Carduus tenuiflorus. Published online. Accessed: Apr. 20 2018. Reference page.
• The Plant List 2013. Carduus tenuiflorus in The Plant List Version 1.1. Published online. Accessed: 2018 Apr. 20.
• Tropicos.org 2018. Carduus tenuiflorus. Missouri Botanical Garden. Published online. Accessed: 20 Apr. 2018. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Carduus tenuiflorus in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06.

For more multimedia, look at Carduus tenuiflorus on Wikimedia Commons.