condition mean min max Sterile Leaflet 1.0555213333333333 0.0 2.29084 Fertile Leaflet with Sori 4.34467 3.74845 5.44686 Petiole 0.7855639999999999 0.0 1.62973 Rhizome 1.3061129999999999 0.712279 2.09224 Root 0.3908736666666667 0.247101 0.657787