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 0.13669066666666665 0.0 0.410072 Crozier 0.0 0.0 0.0 Rhizome 0.24969133333333335 0.0 0.409947 Root 4.90455 2.76802 6.0353