Aperire sectionem principem



  • Eckenwalder, J. E. 1996. Systematics and evolution of Populus. In Biology of Populus and its implications for management and conservation. ed. R. F. Stettler, H. D. Bradshaw, P. E. Heilman, et T. M. Hinckley. Ottawa: NRC Research Press, National Research Council of Canada. ISBN 9780660165066.
  Haec stipula ad biologiam spectat. Amplifica, si potes!