Hi Folks,

Here's a huge list of Xylaria around the world. I've never been to one but I hope that changes soon.

Index Xylariorum 4

Here are a few of them which are online:

Tervuren Xylarium Wood Database — Metafro Infosys
The Mudry Online Xylarium
Xiloteca Manuel Soler - Listado (n.cient.)
Introduction Xylarium