Ecological Archives M084-020-A4
Don Faber-Langendoen, Todd Keeler-Wolf, Del Meidinger, Dave Tart, Bruce Hoagland, Carmen Josse, Gonzalo Navarro, Serguei Ponomarenko, Jean-Pierre Saucier, Alan Weakley, Patrick Comer. 2014. EcoVeg: a new approach to vegetation description and classification. Ecological Monographs 84:533–561. http://dx.doi.org/10.1890/13-2334.1
Appendix D. Examples of other formation-level classifications.