condition mean min max Sterile Leaflet 0.07171066666666666 0.0 0.215132 Fertile Leaflet with Sori 0.072078 0.0 0.216234 Primary Rachis 1.92204 0.0 5.76612 Petiole 0.132762 0.0 0.398286 Crozier 0.0 0.0 0.0 Rhizome 0.054574000000000004 0.0 0.163722 Root 0.159888 0.0 0.479664