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Asteraceae
Helianthus
Helianthus petiolaris var. canescens
Helianthus petiolaris var. canescens
No common name
A.Gray 1852 -
Smithsonian Contr. Knowl. 3(art. 5): 108 (1852)
Specifications
Images
Synonyms
Helianthus petiolaris subsp. canescens
(A.Gray) D.J.Keil
Helianthus petiolaris var. canus
Britton
Helianthus niveus subsp. canescens
(A.Gray) Heiser
Helianthus canus
Wooton & Standl.