Franklin, S. B., D. Faber-Langendoen, M. Jennings, T. Keeler-Wolf, O. Loucks, R. Peet, D. Roberts, and A. McKerrow. “BUILDING THE UNITED STATES NATIONAL VEGETATION CLASSIFICATION”. Annali di Botanica 2 (April 26, 2012): 1–9. Accessed April 26, 2024. https://rosa.uniroma1.it/rosa04/annali_di_botanica/article/view/9261.