condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.3280766666666668 1.26452 1.39233 Secondary Rachis 0.096308 0.0 0.288924 Petiole 2.25772 1.14479 4.1839 Rhizome 0.0 0.0 0.0 Root 0.21316933333333335 0.0 0.323508