Manos, Paul S.; Cannon, Charles H.; Oh, Sang-Hun (2008). Phylogenetic Relationships and Taxonomic Status Of the Paleoendemic Fagaceae Of Western North America: Recognition Of A New Genus, Notholithocarpus. Madroño, 55(3), 181–190.
doi:10.3120/0024-9637-55.3.181
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