Which genus of plant consists of more species, Bruckenthalia or Fothergilla?
Fothergilla Fothergilla (witch alder) is a genus of two or three species of flowering plants in the family Hamamelidaceae, native to woodland and swamps of the southeastern United States.
Phyllothallia Phyllothallia is a small genus of liverworts of the Southern Hemisphere. It is classified in order Metzgeriales and is the only member of the family Phyllothalliaceae within that order. Unlike most members of the Metzgeriales, "Phyllothallia" has a leafy appearance. The genus has a disjunct distribution, with the species "Phyllothallia nivicola" found in New Zealand while the other species in the genus, "Phyllothallia fuegiana", occurs in Tierra del Fuego.