condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 8.239676666666666 1.15173 13.2416 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10973833333333333 0.0 0.329215 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.040057 0.0 0.120171