Between Platycarya and Houttuynia, which has more species within the genus?
Platycarya Platycarya is a genus of flowering plants in the family Juglandaceae, usually treated as comprising a single species Platycarya strobilacea, though one to two additional species are accepted by some authors. It is native to eastern Asia in China, Korea, and Japan.
Platismatia Platismatia is genus of medium to large foliose lichens with rather crinkled lobes. The genus is widespread and contains 10 species. They resemble many other genera of foliose lichens in the family Parmeliaceae, particularly "Parmotrema", "Cetrelia", and "Asahinea". Most species are found in forests on the trunks and branches of conifer trees, although some species grow on rocks.