Flora of New York/Coreopsideae…Heliantheae

Chaenactis
Chaenactis (pincushions or dusty maidens) are native to western North America.

Subtribe Ambrosiinae
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Iva
Jesuit's bark (Iva frutescens) is a small shrub that is considered to be competitive with Phragmites in upper saltmarshes.

Helianthus sect. Divaricati
The Divaricati section consists of perennial plants that grow from rhizomes, tubers, or crown buds.