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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:

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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