Rhynie Chert
Links
Rhynie Chert, Scotland
http://www.ucmp.berkeley.edu/devonian/rhynie.html
From the U.C. Museum of Paleontology
The Rhynie Chert and its Flora
http://www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/erhynie.html
Details of the paleobotany from University of Münster.
The Rhynie Chert Research Group
Ongoing research into the strtaigraphy, sedimentology and paleontology of an Early Devonian hot spring system. From the University of Aberdeen.