condition mean min max Sterile Leaflet 0.8988700000000001 0.0 2.69661 Fertile Leaflet with Sori 0.134849 0.0 0.293607 Primary Rachis 0.0 0.0 0.0 Petiole 0.0192839 0.0 0.0578517 Crozier 9.815843333333333 6.16843 12.2638 Rhizome 5.329870633333334 0.0631929 15.7528 Root 0.1106721 0.0 0.281064