condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.020462066666666667 0.0 0.0613862 Rhizome 0.0542479 0.0 0.0981616 Root 2.2777005333333333 0.0287066 6.4355