Nothofagus solandri, commonly called black beech, is species of tree endemic to New Zealand.

Black beech occurs on both the North and the South Island at low elevations up to the mountains.

[3] Black beech is a medium-sized evergreen tree growing to 27 m tall.

This, in turn, is the result of a scale insect which sucks sap from the tree, and excretes honeydew, a sweet liquid, in small droplets (less than 1 mm diameter) on the end of stalks.

This feeds the sooty mold, and also forms a valuable high-energy food source for various birds and insects including the kaka.