Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0910 1642 [detail] © 2010 Ron Wolf	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0910 1643 [detail] © 2010 Ron Wolf	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0910 1644 [detail] © 2010 Ron Wolf	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0910 1645 [detail] © 2010 Ron Wolf
Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0215 0528 [detail] © 2015 Ron Wolf	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 1115 3824 [detail] © 2015 Richard Spellenberg	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 1115 3825 [detail] © 2015 Richard Spellenberg	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 1115 3826 [detail] © 2015 Richard Spellenberg
Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0118 1865 [detail] © 2018 Wynn Anderson	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0118 1866 [detail] © 2018 Wynn Anderson	Helianthus petiolaris Prairie Sunflower (shown with Palafoxia sphacelata) ID: 0000 0000 0118 1867 [detail] © 2018 Wynn Anderson	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0118 1868 [detail] © 2018 Wynn Anderson
Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0118 1869 [detail] © 2018 Wynn Anderson	Helianthus petiolaris Prairie Sunflower ID: 0000 0000 0118 1870 [detail] © 2018 Wynn Anderson

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