The Plant List — A working list for all plant species

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6 plant name records match your search criteria Helianthus occidentalis. The results are below.

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

Name Status Confi­dence level Source Date supplied
Helianthus occidentalis Riddell Accepted M TICA
Helianthus occidentalis var. dowellianus (M.A.Curtis) Torr. & A.Gray Synonym L TICA
Helianthus occidentalis var. occidentalis Synonym L TICA
Helianthus occidentalis subsp. occidentalis Synonym L TICA
Helianthus occidentalis var. plantagineus Torr. & A.Gray Synonym L TICA
Helianthus occidentalis subsp. plantagineus (Torr. & A.Gray) Shinners Accepted L TICA