In between Diplarrena moraea and Talinum which one is  known as white iris?
Diplarrena moraea Diplarrena moraea, commonly known as white iris (or butterfly flag in the UK), is a member of the iris family, Iridaceae. It occurs in Australian heathland and forest in New South Wales, Victoria and Tasmania.
Adiantum peruvianum Adiantum peruvianum (also called silver-dollar fern, Peruvian maidenhair) is a fern in the genus "Adiantum". It has black stems and large flat pinnules. It is frequently grown as an ornamental greenhouse or house plant, and is favored for its unusually large pinnules.