Nothofagus solandri var. solandri
 Nothofagus solandri var. solandri commonly called Black beech (Māori: tawhai rauriki) is a variety of the tree species Nothofagus solandri endemic to New Zealand. Black beech occurs on both the North and the South Island at low altitudes up to the mountains. The other variety of N. solandri is called Mountain beech or Nothofagus solandri var. cliffortioides and grows at higher altitudes than black beech.Black Beech (var. solandri) is a medium-sized evergreen tree growing to 27 m tall.