condition mean min max Sterile Leaflet 2.1942166666666667 1.61603 3.03665 Fertile Leaflet with Sori 1.9600063333333333 0.971099 2.80783 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.181516 0.329528 2.15637 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0