condition mean min max Sterile Leaflet 1.0418399999999999 0.0 3.12552 Fertile Leaflet with Sori 0.086348 0.0 0.259044 Primary Rachis 0.035134 0.0 0.105402 Petiole 0.0 0.0 0.0 Crozier 4.813626666666667 2.3666 6.36467 Rhizome 0.141578 0.0 0.313135 Root 0.03304323333333333 0.0 0.0991297