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Picea critchfieldii Jackson & Weng, 1999

 

 

Taxonomy & Nomenclature

 

 

Conservation Status

Extinct

Last record: Late Pleistocene

 

Distribution

North America

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

References

Original scientific description:

Jackson, Stephen T. and Weng, Chengyu. (1999). Late Quaternary extinction of a tree species in eastern North America. Proc. Natl. Acad. Sci. USA. 96(24): 13847-13852.

 

Other references:

Holmes, Branden. (2021). What's Lost and What Remains: The Sixth Extinction in 100 Accounts (eBook). Self published.

Mander, L. et al. (2014). Identifying the pollen of an extinct spruce species in the Late Quaternary sediments of the Tunica Hills region, south-eastern United States. J. Quaternary Sci. 29(7): 711-721. [Abstract]

http://www.torreyaguardians.org/pro-draft-martin-edits.pdf

http://vanishingflora.proboards.com/thread/3083/picea-critchfieldii

 

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