condition mean min max Sterile Leaflet 0.5085776 0.0738178 1.00996 Fertile Leaflet with Sori 0.132811 0.0 0.254516 Primary Rachis 0.8208416666666667 0.322961 1.50282 Petiole 0.0570476 0.0 0.0865783 Crozier 0.0 0.0 0.0 Rhizome 0.264834 0.148401 0.427522 Root 2.40222 1.8338 3.4852