condition mean min max Sterile Leaflet 0.7287126666666667 0.0 1.8331 Fertile Leaflet with Sori 3.2560433333333334 0.0 5.77696 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0