condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.50243 0.0 1.50729 Petiole 4.062973333333333 0.0 9.51053 Crozier 0.0 0.0 0.0 Root 2.9435933333333333 0.0 6.02061