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Asteraceae
Helianthus
Helianthus × cinereus
Helianthus × cinereus
No common name
(Torr. & A.Gray) R.C.Jacks. & Guard 1957 -
Amer. Midl. Naturalist 58: 428 (1957)
Specifications
Images
Synonyms
Helianthus × cinereus var. sullivantii
Torr. & A.Gray