condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.3956233333333334 0.0 7.18687 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.23440866666666668 0.0 0.703226 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0