Helianthus petiolaris, the prairie sunflower, a plant species in the genus Helianthus
He created a trilogy of operas; the first of which, Helianthus, premiered successfully in Leipzig in 1884.
Helianthus nuttallii (Nuttall's Sunflower) is a species of sunflower native to northern and western North America, from Newfoundland west to British Columbia, south to New Mexico and California.
The larvae feed on various plants and have been recorded on Acer, Eupatorium, Helianthus, Dianthus caryophyllus, Helianthemum, Hypericum perforatum, Rhododendron, Trifolium, Sassafras, Gossypium hirsutum, Gossypium thurberi, Fragaria, Prunus persica, Rosa and Citrus species.