Picea critchfieldii

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Picea critchfieldii
Scientific classification
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Picea
Species: P. critchfieldii
Binomial name
Picea critchfieldii

Picea critchfieldii, the Critchfield's spruce, is a species of spruce that became extinct in the Late Quaternary extinction event. It grew in much of eastern North America from 28,000 BP to 15,000 BP. It was a common tree in lower Mississippi River valley forests.[1]