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 0.15349459999999998 0.0262729 0.371146 Rhizome 0.15518476666666667 0.0544783 0.251552 Root 4.065993333333333 2.87133 4.97684