condition mean min max Sterile Leaflet 12.740966666666667 10.4513 13.8995 Fertile Leaflet with Sori 12.560789999999999 9.34037 15.4766 Primary Rachis 14.240266666666667 12.6709 15.6447 Petiole 12.215300000000001 9.6316 13.8939 Crozier 16.5516 13.7524 18.4894 Rhizome 9.43157 7.41006 11.3385 Root 11.98982 9.34946 13.8177