condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.1828566666666664 0.0 6.54857 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.18578166666666668 0.0 0.28187 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0