Saltation, Growth architecture, Synchysidendron, Pennsylvanian, Aarborescent lycopsids, Lateral branching, Isoetales s.l., Paedomorphosis, Lycophyte, Evolutionary-developmental change, Scotland, Diaphorodendron, and USA
Arboreous Lycopsids, Stigmaria, Fossil pants, Plant anatomy, Rootstocks, Plant development, and Functional morphology