Open Science Initiative

Acero a foglie di Lime o Tiglio di Peter Gregory, tradotto da Alessandro Biagioli Acer distylum This is the Italian version of Peter’s A. distylum profile, for English, French and Polish versions scroll further on this page.

Acero dai piedi pelosi o Acero di Peter Gregory, tradotto da Alessandro Biagioli:  Acer capillipes

A classification of the species Acer following the Accepted Names. This classification, edited by E. Davis, summarizes current thinking and incorporates the work of the Maple Society Species Group to organize the list of Accepted Names in Acer, according to the classification proposed by Crowley, D. (2020), ‘Acer’ from the website Trees and Shrubs Online.

Fiche descriptive d’érable à feuilles de tilleul, Acer distylum, par Peter Gregory (traduction française) Fiche Erable: Acer distylum

Opis klonu cienkoszypułkowego, Acer capillipes, autorstwa Peter’a Gregory’ego (Polski) Opis klonu: Acer capillipes This is the Polish version of Peter’s A. capillipes profile, for English version scroll further down the page.

Limitations and Possibilities for Growing Native and Exotic Maples in Poland. By Jerzy W. Tumilowicz, Warsaw Agricultural University, Rogów Arboretum. This article, reintroduced from the 2002 International Maple Symposium Proceedings, will by of great use to all growing maples in the challenging colder climate zones.  Prof. Tumilowicz tracks hardiness for 74 Acer species growing at Rogów through severe January conditions, with an average temperature of -12.4°C (9.7°F) and a minimum of -31.3°C (-24.3°F).

In this article from the Maple Society summer 2010 newsletter, Laura Jones describes Dick van der Maat’s Maple Winter Grafting Course. Maple Winter Grafting Day

Maples of Iturraran Botanical Garden: Acer section Hyptiocarpa W. P. Fang (1996) 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.

Maples of Iturraran Botanical Garden: Acer section Trifoliata (Pax) 1885 First in an exciting new 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.

Opis klonu Campbella, Acer campbellii, autorstwa Petera Gregory’ego. Polska wersja. Opis klonu: Acer campbellii

Opis klonu dwusłupkowego, Acer distylum, autorstwa Peter’a Gregory’ego (Polski) Opis klonu: Acer distylum This is the Polish version of Peter’s A. distylum profile, for English and French versions scroll further on this page.

Opis klonu wełnistego Acer erianthum, autorstwa Peter’a Gregory’ego. Nowe polskie tłumaczenie wykonane przez M. Korbik na wyłączność the Maple Society OSI. Peter Gregory profiles Acer erianthum, the Woolly Flowered Maple.  A new Polish translation exclusively for the Maple Society OSI, by M. Korbik.

Peter Gregory profiles the Hair Foot or Kyushu Maple, Acer capillipes

Peter Gregory profiles Father David’s Maple, Acer davidii

Peter Gregory profiles the rare Japanese Lime Leaved Maple, Acer distylum. Maple Profile: Acer distylum

Peter Gregory profiles The Woolly Flowered Maple, Acer erianthum

Peter Gregory profiles the Robust Maple. Maple Profile: Acer robustum

Peter Gregory profiles Siebold’s Maple, Acer sieboldianum

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.

Piotr Banaszczak continues with Pan European species in this article from the Maple Society winter 2010 issue. Maples of Europe Part II.

A lecture by Dr P. C. de Jong: The Evolution of the Reproductive Organs of Maples; Analyses of Morphology and Flowering in Light of the Phylogeny of the Genus. This lecture, originally presented in 2014 at the International Maple Symposium at the Morris Arboretum, considers both the evolution of maple flowers and fruit and the often conflicting ramifications of molecular studies of Acer, following the author’s seminal 2002 classification in Worldwide Maple Diversity.

Botanic Gardens Conservation International, (BGCI) with the support of The Maple Society and the Open Science Initiative, presents The Red List of Acer: revised and extended, published 22 Spetember 2020. This most important of maple conservation documents gives the conservation status of 158 maple species. The report reveals that one if five of Acer species are at high risk of extinction in the near future.  Find our full treatment of this story here.

Worldwide Maple Diversity, Piet C. de Jong, Ph.D., Von Gimborn Arboretum, Utrecht University, 2002 Originally published in The Proceedings of The International Maple Symposium, 2002.  The Maple Society Open Science Initiative presents the first ever digital edition of this important and frequently referenced paper, which updated the the Acer classification presented by de Jong in Maples of the World in 1996, and remains pertinent today.