The Plant List — A working list for all plant species

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4 plant name records match your search criteria Carduus americanus. The results are below.

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See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied
Carduus americanus (A.Gray) Greene Synonym M TICA
Carduus americanus (A.Gray) Rydb. [Illegitimate] Synonym M TICA
Carduus americanus var. americanus Synonym L TICA
Carduus americanus var. perplexans (Rydb.) A.Nelson Synonym L TICA