What is "haastia"

Haastia is a genus of flowering plants in the daisy family, Asteraceae, native to New Zealand.

1. Haastia × loganii Buchanan, hybrid of Leucogenes leontopodium × Raoulia rubra
2. Haastia montana Buchanan
3. Haastia pulvinaris Hook.f.
4. Haastia recurva Hook.f.
5. Haastia sinclairii Hook.f.

Haastia greenii Hook.f. - Synonym of Raoulia eximia Hook.f.