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Kardiasperma

Family: Betulaceae (Birch family)

About

Kardiasperma is an extinct genus of flowering plants in the hazelnut family, Betulaceae, containing the single species Kardiasperma parvum. The species is solely known from the middle Eocene sediments exposed in north central Oregon and was first described from a series of isolated fossil nuts in cherts.

Text excerpted from the Wikipedia article Kardiasperma by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

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