The Plant List — A working list for all plant species

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4 plant name records match your search criteria Heterotheca horrida. The results are below.

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

Name	Status	Confi­dence level	Source	Date supplied
Heterotheca horrida (Rydb.) V.L.Harms	Synonym		TICA	2012-02-11
Heterotheca horrida subsp. cinerascens S.F.Blake	Unresolved		TICA	2012-02-11
Heterotheca horrida subsp. cinerascens (S.F.Blake) Semple	Synonym		TICA	2012-02-11
Heterotheca horrida subsp. horrida	Synonym		TICA	2012-02-11