condition mean min max Sterile Leaflet 1.3062033333333334 0.0 2.27238 Fertile Leaflet with Sori 2.57366 1.58518 3.58043 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 4.234243333333334 3.34777 5.08923 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0