Picea critchfieldii
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Picea critchfieldii is an extinct species of spruce tree formerly present on the landscape of North America, where it was once widely distributed throughout the southeastern United States. Plant macro
Extant Picea glauca, to which P. critchfieldii were formerly attributed
Picea rubens
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Picea rubens, commonly known as red spruce, is a species of spruce native to eastern North America, ranging from Nova Scotia to eastern Quebec and south-eastern Ontario, and south through the Adironda
Picea critchfieldii
…reveals that pollen collected here is morphologically distinct from, and thus not attributable to, that of the extant Picea glauca, Picea mariana, and Picea rubens. Given the distinctiveness of fossil pollen grains collected from this site of known former Picea critchfieldii presence, scientists suggest that "the…
Picea rubens UGA5349098
Foliage and cones
Dense red spruce forest in its native habitat at the summit of Spruce Knob, West Virginia
Red spruce cones from the Pisgah National Forest