Sonchus ustulatus

Familia: Asteraceae
Subfamilia: Cichorioideae
Tribus: Cichorieae
Subtribus: Hyoseridinae
Genus: Sonchus
Species:
Subspecies: S. u. subsp. imbricatus – S. u. subsp. maderensis – S. u. subsp. ustulatus

Sonchus ustulatus Lowe, 1831

• Lowe, R.T., 1831. Trans. Cambridge Philos. Soc. iv. 22 1831.

• Hassler, M. 2019. Sonchus ustulatus. 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. 2019. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2019 Mar. 25. Reference page. 
• International Plant Names Index. 2019. Sonchus ustulatus. Published online. Accessed: Mar. 25 2019. Reference page.
• The Plant List 2013. Sonchus ustulatus in The Plant List Version 1.1. Published online. Accessed: 2019 Mar. 25.
• Tropicos.org 2019. Sonchus ustulatus. Missouri Botanical Garden. Published online. Accessed: 25 Mar. 2019. Reference page.

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