SOURCES: “THE MOST EXTENSIVE DEVONIAN FOSSIL FOREST WITH SMALL LYCOPSID TREES BEARING THE EARLIEST STIGMARIAN ROOTS,” CURRENT BIOLOGY; CHRIS BERRY, CARDIFF UNIVERSITY; PATRICIA GENSEL, UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL; GAVIN FOSTER, UNIVERSITY OF SOUTHAMPTON; BRIGITTE MEYER-BERTHAUD, CNRS; ERNEST M. GIFFORD AND ADRIANCE S. FOSTER, MORPHOLOGY AND EVOLUTION OF VASCULAR PLANTS; YOU-AN ZHU, CHINESE ACADEMY OF SCIENCES; NOAA