condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.78305 0.0 5.34915 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.4576766666666667 0.0 1.37303 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0