Juglans olanchana mountainous regions of Argentina may result from confusion with the cedro negro (Spanish for "Black Cedar" due to its close appearance to West Indian cedar) or nogal (Spanish for "walnut") ("J. neotropica"). "Juglans olanchana" has a cylindrical, straight shaft that is free of branches for 5–15 m. The moderately heavy (420–450 kg/m) and moderately durable heartwood has a dark coffee color, is easy to work, and takes an excellent finish. It is used for light construction, cabinetmaking, parquet floors, luxurious furniture, turnery, musical instruments, and veneer. The nuts are edible. The husk is used to dye leather. Juglans olanchana Juglans
Exocarpos latifolius fruit is a globular nut on a short stalk. As it ripens the stalk swells and turns red, like an inside out cherry. The fruit is 4–6 mm long and is inedible, though the stalk is, and was used as a traditional food source by Aboriginal Australians. The seed is found on the outside of the fruit, hence the name exocarpus, from the Latin meaning "outer". The wood is very fine-grained with little figure but often striking colour variation and was historically used for cabinet work. The tree was used for many purposes by Aboriginal Australians.The bark was used as