condition mean min max Sterile Leaflet 0.014906533333333333 0.0 0.0447196 Fertile Leaflet with Sori 2.19109 1.06562 3.76191 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0