condition mean min max Sterile Leaflet 2.7435766666666668 1.77999 4.20781 Fertile Leaflet with Sori 2.4000233333333334 2.18918 2.69248 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.118976 0.453834 2.07012 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0