treering.zip (6.31 MB)
Quercus tree rings
photos from
May, M.R., M. Provance, A. Sanders, N. Ellstrand, and J. Ross-Ibarra. 2009. A Pleistocene clone of Palmer's Oak persisting in Southern California. PLoS ONE 4: e8346
photos from
May, M.R., M. Provance, A. Sanders, N. Ellstrand, and J. Ross-Ibarra. 2009. A Pleistocene clone of Palmer's Oak persisting in Southern California. PLoS ONE 4: e8346