condition mean min max Sterile Leaflet 2.62166 1.62935 4.48245 Fertile Leaflet with Sori 3.9351933333333333 2.71907 5.71708 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.548992 0.348016 5.77491 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0