condition mean min max Sterile Leaflet 3.24701 0.0 5.02636 Fertile Leaflet with Sori 0.2502293333333333 0.0 0.407481 Primary Rachis 11.425436666666666 0.0 32.3018 Petiole 7.77067 0.0 22.9152 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0