condition mean min max Sterile Leaflet 5.271249999999999 0.33341 8.34879 Fertile Leaflet with Sori 0.3655366666666667 0.0 1.09661 Primary Rachis 0.30917733333333336 0.0 0.927532 Petiole 0.45272 0.0 1.00667 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0