condition mean min max Sterile Leaflet 17.084496666666666 0.0 43.7998 Fertile Leaflet with Sori 8.256235 0.719565 21.2683 Primary Rachis 12.932335 0.618355 34.0678 Petiole 1.4788223333333335 0.335557 2.13215 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0