Are Thalia and Helichrysum both types of plants?
Thalia (plant) Thalia is a genus of six currently recognized species found in aquatic or marshy habitats, ranging in Africa from Senegal to Sudan to Zimbabwe, and in the Americas from Illinois to Argentina. Alligator-flag is a common name for plants in this genus. The generic name is in honor of Johannes Thal (1542–1583), a German doctor who wrote a Flora of the Harz Mountains.
Trillium Trillium (trillium, wakerobin, tri flower, birthroot, birthwort) is a genus of perennial flowering plants native to temperate regions of North America and Asia.