GRIN (April 4, 2006) Olea information from NPGS/GRIN. Taxonomy for Plants. United States Department of Agriculture, Agricultural Research Service, National Genetic Resources Program. Arkivita el la originalo je 2011-06-29. Alirita May 20, 2011 .
GRIN (April 4, 2006) Olea information from NPGS/GRIN. Taxonomy for Plants. United States Department of Agriculture, Agricultural Research Service, National Genetic Resources Program. Arkivita el la originalo je 2011-06-29. Alirita May 20, 2011 .