condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.039496666666666666 0.0 0.11849 Rhizome 0.35689703333333334 0.0504331 0.590056 Root 5.302373 0.478259 7.71954