condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.7291586666666666 0.0 1.28538 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.414211 0.0 1.06595 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 6.208993333333333 1.52756 14.8628