 cirsium_arvense |
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| 1. | [ noun ] (botany) European thistle naturalized in United States and Canada where it is a pernicious weed | |
| Synonyms: | creeping_thistle Canada_thistle | |
| Related terms: | plume_thistle | |
| Similar spelling: |
Cirsium_vulgare Cirsium_rivulare Cirsium_discolor Cirsium_flodmanii |
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