How diverse were ferns in the Baltic amber forest?
Eva-Maria Sadowski, Leyla J. Seyfullah, Ledis Regalado, Laura E. Skadell, Alexander Gehler, Carsten Gröhn, Christel Hoffeins, Hans Werner Hoffeins, Christian Neumann, Harald Schneider, and Alexander R. Schmidt
J Syst Evol
.
2019, (4): 305
-328
.
DOI: 10.1111/jse.12501
