Gymnocladus Lam.
Engl.: coffeetree.

Gymnocladus canadensis:

Gymnocladus canadensis Lam., Fabaceae: See Gymnocladus dioicus (L.) Koch.

Gymnocladus dioicus

Gymnocladus dioicus (L.) K. Koch.
Engl.: Kentucky coffee tree, American coffee-bean tree, American coffee-nut, Coffee tree, Kentucky mahogany.
Deu.: Amerikanischer Geweihbaum.
Suom.: kentukkinpapupuu.
Sven.: kentuckykaffe.
Bot. syn.: Gymnocladus canadensis Lam.

Gymnocladus williamsii:

Gymnocladus williamsii Hance, Fabaceae: See Gleditsia sinensis Lam.

I have no articles for this botanical term, but there might be some for the next level down (if found).