Canada thistle

(redirected from Cirsium arvense)
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Related to Cirsium arvense: creeping thistle

Canada thistle:

see thistlethistle,
popular name for many spiny and usually weedy plants, but especially applied to members of the family Asteraceae (aster family) that have spiny leaves and often showy heads of purple, rose, white, or yellow flowers followed by thistledown seeds (a favorite food of the
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References in periodicals archive ?
opulus Well-Established DWF, MHF Herb Layer Alliaria petiolata Targeted DWF Cirsium arvense Well-Established EM, DWF Conium maculatum Well-Established MHF Coronilla varies Well-Established EM Daucus carota Well-Established EM, DSS, DWF Dipsacus fullonum L.
The most common exotics species included Chenopodium album, Cirsium arvense, Dipsacus fullonum, Echinochloa crusgalli, Glechoma hederacea, Polygonum persicaria, Rumex crispus, Setaria faberi, Silene latifolia ssp.