Carduus is a genus of flowering plants in the family Asteraceae, and the tribe Cardueae, one of two genera considered to be true thistles, the other being Cirsium.[2] Plants of the genus are known commonly as plumeless thistles.[3][4] They are native to temperate Eurasia and North Africa,[1] and several are known elsewhere as introduced species.[4] This genus is noted for its disproportionately high number of noxious weeds compared to other flowering plant genera.[5]
^ abCarduus L. Plants of the World Online. Retrieved 1 June 2024.
^Jordon-Thaden, I. E. and S. M. Louda. (2003). Chemistry of Cirsium and Carduus: a role in ecological risk assessment for biological control of weeds? Biochemical Systematics and Ecology 31(12), 1353-96.
^Carduus. Integrated Taxonomic Information System (ITIS).
^ abCarduus. Flora of North America.
^Schmidt, J. P. and J. M. Drake. (2011). Why are some plant genera more invasive than others? PLOS One 6(4), e18654.
Plants Council: Carduus nutans (musk thistle) Wikimedia Commons has media related to Carduus nutans. Jepson Manual Treatment: Carduus nutans U.S. National...
and setting seed, it dies. Carduus acanthoides in Germany Flowering and fruiting Leaf adaxial side. Leaf abaxial side. Carduus acanthoides is native from...
horridulum Michx. Synonyms Synonymy Carduus horridulus Pers. Carduus pinetorum Small Carduus spinosissimus Walter Carduus vittatus Small, syn of var. vittatum...
As in other species of Cirsium (but unlike species in the related genus Carduus), the pappus hairs are feathery with fine side hairs. Spear thistle is...
plants in the tribe Cardueae (synonym: Cynareae), especially the genera Carduus, Cirsium, and Onopordum. However, plants outside this tribe are sometimes...
Council): Carduus tenuiflorus . accessed 4.8.2013 Media related to Carduus tenuiflorus at Wikimedia Commons Jepson Manual Treatment Carduus tenuiflorus...
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placed in genus Carduus as subgenus Afrocarduus. The sub-Saharan African species have morphological and karyological features of genera Carduus and Cirsium...
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