"Structurally complex, yet anatomically plesiomorphic: permineralized plants from the Emsian of Gaspé (Quebec, Canada) expand the diversity of Early Devonian euphyllophytes" in IAWA Journal

"Early Cretaceous abietoid Pinaceae from Mongolia and the history of seed scale shedding" in American Journal of Botany

"The Problematic Genus Problematospermum" in Taxon

"Mongolitria: A new Early Cretaceous three-valved seed from Northeast Asia" in American Journal of Botany