condition mean min max Sterile Leaflet 0.15121803333333333 0.0772168 0.282261 Fertile Leaflet with Sori 2.2624866666666668 1.18168 3.51941 Primary Rachis 0.008471000000000001 0.0 0.025413 Secondary Rachis 0.0051302000000000006 0.0 0.0153906 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0