The name would be Juglans regia. Family: Juglandaceae.
Juglans nigra is the scientific name for a walnut tree
A white walnut tree is commonly known as a butternut tree. Its scientific name is Juglans cinerea.
Juglans regia
Walnut is the common name, Juglans is the scientific name, see link below.
Juglans regia
The name would be Lovoa trichilioides. Family: Meliaceae.
The name would be Endiandra palmerstonii. Family: Lauracae.
Family : Arecaceae (=Palmaceae) Genus : Areca Species : catechu
Juglansnigra, I found it on http://faculty.ucc.edu/biology-ombrello/POW/black_walnut.htm
The name would be Acer pseudoplatanus.
The name would be Larix decidua.
The name would be Fraxinus excelsior.