What is "chrysanthellum"

Chrysanthellum is a genus of flowering plants in the chrysanthemum family.

1. Chrysanthellum americanum (L.) Vatke - Central America, West Indies, Chiapas; naturalized in parts of Asia, Africa, South America
2. Chrysanthellum filiforme McVaugh - Michoacán
3. Chrysanthellum indicum DC.
4. Chrysanthellum integrifolium Steetz - Central America, southern Mexico
5. Chrysanthellum involutum Paul G.Wilson - Guerrero, México State
6. Chrysanthellum keilii B.L.Turner - Michoacán
7. Chrysanthellum michoacanum B.L.Turner - Michoacán
8. Chrysanthellum perennans B.L.Turner - Oaxaca
9. Chrysanthellum pilzii Strother - Oaxaca
10. Chrysanthellum pusillum Hook.f. - Galápagos
11. Chrysanthellum tamaulipense B.L.Turner - Tamaulipas