condition mean min max Sterile Leaflet 0.17366499999999999 0.0 0.520995 Fertile Leaflet with Sori 0.108749 0.0 0.326247 Primary Rachis 0.057035 0.0 0.171105 Secondary Rachis 0.09346 0.0 0.148425 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 7.20782 1.61152 11.9665