The Plant List — A working list for all plant species

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9 plant name records match your search criteria Helianthus giganteus. The results are below.

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

Name	Status	Confi­dence level	Source	Date supplied
Helianthus giganteus Cav. [Illegitimate]	Unresolved		TICA	2012-02-11
Helianthus giganteus L.	Accepted		TICA	2012-02-11
Helianthus giganteus Lour.	Unresolved		TICA	2012-02-11
Helianthus giganteus subsp. alienus (E.Watson) Long	Unresolved		TICA	2012-02-11
Helianthus giganteus var. ambiguus Torr. & A.Gray	Unresolved		TICA	2012-02-11
Helianthus giganteus subsp. giganteus	Synonym		TICA	2012-02-11
Helianthus giganteus var. giganteus	Synonym		TICA	2012-02-11
Helianthus giganteus var. subtuberosus Britton	Synonym		TICA	2012-02-11
Helianthus giganteus var. utahensis D.C.Eaton	Unresolved		TICA	2012-02-11