Credit: American Philosophical Society
This pressed specimen of Berberis aquifoliumis was one of more than 230 botanical specimens that Lewis and Clark brought back from their expedition across North America.
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Berberis aquifoliumis (1806), from the Lewis and Clark Herbarium at the Philadelphia Academy of Natural Sciences.
Credit: American Philosophical Society
This pressed specimen of Berberis aquifoliumis was one of more than 230 botanical specimens that Lewis and Clark brought back from their expedition across North America.
