condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.20605833333333334 0.0 0.618175 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 11.10775 6.47945 16.7471