condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.08752366666666667 0.0 0.262571 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10351900000000001 0.0 0.310557 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.52721 1.95182 6.06988