Genus Helianthus
Helintheae Tribe Aster Family
| Helianthus | annus Annual Sunflower |
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Growing in disturbed ground along a roadside in Los Alamos, New Mexico, at an elevation of 7,200 feet. These sunflowers are prolific along roadside in the west and southwest. |
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| Helianthus | pauciflorus |
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| Growing on granite outwash slopes on the Waldo Canyon Trail West of Colorado Springs, Colorado, 7,790 foot elevation, August 20, 2004. | |||||
| Helianthus | petiolaris Prairie Sunflower |
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| Growing on a roadside near Wray, Colorado, elevation 3,500 feet, June 9, 2007. | |||||
