The Plant List — A working list for all plant species

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

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

Name	Status	Confi­dence level	Source	Date supplied
Carduus occidentalis Nutt.	Accepted		TICA	2012-02-11
Carduus occidentalis var. candidissimus (Greene) H.M.Hall	Synonym		TICA	2012-02-11
Carduus occidentalis var. coulteri (Harv. & A.Gray) H.M.Hall	Synonym		TICA	2012-02-11
Carduus occidentalis var. occidentalis	Synonym		TICA	2012-02-11