Native to (or naturalized in) Oregon:
- Note: The scientific name of Tanoak was Lithocarpus densiflorus, but it is now in the genus, Notholithocarpus, hence Notholithocarpus densiflorus. The taxonomic change is based on molecular and other lines of evidence. Tanoak is not related to the Asian tropical stone oaks, i.e., Lithocarpus, but rather it is more closely related to the northern temperate oaks, Quercus.
See Notholithocarpus densiflorus or Notholithocarpus densiflorus var. echinoides
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