condition mean min max Sterile Leaflet 5.795252333333334 0.706917 13.0759 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.05141266666666666 0.0 0.154238 Root 0.0 0.0 0.0