condition mean min max Sterile Leaflet 3.86519 2.95786 4.97698 Fertile Leaflet with Sori 4.09296 2.82075 4.95324 Petiole 0.970541 0.400723 1.45979 Crozier 1.373079 0.783977 1.73952 Rhizome 0.7559636666666666 0.310589 1.33923 Root 1.1718506666666666 0.811522 1.49806