Nut of Juglans bergomensis (Balsamo Crivelli) Massalongo in the Miocene of North America

A new occurrence of fossil butternut is recognized based on a permineralized highly scabrate walnut from the middle Miocene of western Washington, USA. The specimen fits the circumscription of Juglans bergomensis (Balsalmo Crivelli) Massalongo, a species that was widespread in Europe and Asia during...

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Bibliographic Details
Published in:Acta Palaeobotanica
Main Authors: MACKENZIE SMITH, STEVEN R. MANCHESTER
Format: Article in Journal/Newspaper
Language:English
Published: W. Szafer Institute of Botany, Polish Academy of Sciences 2018
Subjects:
juglans bergomensis
butternut
juglandaceae
miocene
washington
Paleontology
QE701-760
Botany
QK1-989
Canada
Banks Island
Online Access:https://doi.org/10.2478/acpa-2018-0011
https://doaj.org/article/1a1fffc0933b42b5b5208e3500c82b2b
Description
Summary:A new occurrence of fossil butternut is recognized based on a permineralized highly scabrate walnut from the middle Miocene of western Washington, USA. The specimen fits the circumscription of Juglans bergomensis (Balsalmo Crivelli) Massalongo, a species that was widespread in Europe and Asia during the Neogene. The occurrence near Brady, Washington, supplements the previously recognized occurrence from Banks Island, Canada, indicating a distribution in mid-latitude western North America as well as Europe and Asia during the Miocene.

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