condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.924304 0.0 14.1975 Primary Rachis 0.2448773333333333 0.0 0.519523 Secondary Rachis 1.88926 0.0 5.66778 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.655421 0.0 1.21449