condition mean min max Sterile Leaflet 3.6574866666666668 0.0 9.34242 Fertile Leaflet with Sori 2.32162 1.18898 3.14535 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 5.097649 0.0 15.0367 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.8488156666666666 0.419159 1.39681