condition mean min max Sterile Leaflet 1.2077156666666666 0.651057 1.63723 Fertile Leaflet with Sori 2.77291 1.63015 3.37298 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.18504600000000002 0.135531 0.26871 Petiole 0.028740699999999997 0.0 0.0862221 Crozier 0.0781881 0.0564229 0.121174 Root 7.549953333333333 1.79485 16.9728