condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.28258666666666665 0.0 0.485492 Crozier 0.24644333333333335 0.0 0.73933 Rhizome 2.9221700000000004 0.0 7.45403 Root 1.76068 0.0 4.02113