Incorporating fossils into the Pinaceae tree of life.
Gernandt David S, Reséndiz Arias Cecelic, Terrazas Teresa, Aguirre Dugua Xitlali, Willyard Ann
American journal of botany
Pinaceae have a rich but enigmatic early fossil record, much of which is represented by permineralized seed cones. Our incomplete knowledge of morphology and anatomy in living and extinct species poses an important barrier to understanding their phylogenetic relationships and timing of diversification.