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Conservatoire botanique national des Pyrénées et de Midi-Pyrénées

Haas, R.J., Dunkle, N.G., 2002 . Native plants for National Parks : A cooperative plant materials program between the USDI-National Park service and the USDA-Natural resources conservation service (Abstract only). In: Proceedings high altitude revegetation workshop n°15. Colorado Water Resources Research Institute, Colorado State University, [S.l.]: 162-163.