condition mean min max Sterile Leaflet 34.85126666666667 27.2431 40.6127 Fertile Leaflet with Sori 39.1563 38.9238 39.5602 Primary Rachis 29.5765 29.3001 30.1013 Petiole 28.3895 26.8749 31.1977 Crozier 37.5962 35.2644 40.5666 Rhizome 25.5973 21.5186 28.4849 Root 18.3793 10.3282 23.8335