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 0.08382366666666667 0.0 0.251471 Rhizome 1.8716 0.0 5.6148 Root 5.466291333333333 0.0 16.0071