condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.771780000000001 0.0 15.0562 Primary Rachis 0.19218666666666664 0.0 0.57656 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