In this article from the Maple Society autumn 2010 newsletter, Piotr Banaszczak of the Rogow Arboretum (Rogow, Poland) describes maples native to Europe. Maples of Europe Part I.

In a collaboration between the University of Ghent and Westonbirt Arboretum, Jan de Langhe and Dan Crowley revisited the vegetative key to the species Acer. Published 24 January, 2018. Acer Vegetative Key

Peter Gregory profiles Campbell’s Maple, Acer campbellii.

Peter Gregory profiles The Woolly Flowered Maple, Acer erianthum

Maples of Iturraran Botanical Garden: Acer section Oblonga (Hu & W.C. Cheng) Delendick (1882) Next in our multilingial series bringing you the maples of one of Europe’s great Botanical Gardens, Iturraran.  By Francisco Garin, Former Director of Iturraran.  In English, French and Spanish!  En Anglais, Francais et Espagnole.  En Inglés, Español y Francés.