Editing Fraxinus excelsior (section)

==Mythology==
[[File:Om Yggdrasil by Frølich.jpg|thumb|The world tree of [[Norse mythology]], [[Yggdrasil]]—seen here depicted by [[Lorenz Frølich]]—is typically described as an ash tree.]]
In the 13th-century [[Edda]] and other writing relating to [[Norse mythology]], the vast ash tree [[Yggdrasil]] ("the steed ([[gallows]]) of [[Odin]]"), watered by three magical springs, serves as [[axis mundi]], sustaining the nine worlds of the [[cosmos]] in its roots and branches.<ref>{{Cite book |last=Simek |first=Rudolf |author-link=Rudolf Simek|year=2007|translator=Angela Hall|title=Dictionary of Northern Mythology|publisher=[[Boydell & Brewer|D.S. Brewer]] |isbn=978-0-85991-513-7}}</ref>