condition mean min max Sterile Leaflet 0.358334 0.0 0.629554 Fertile Leaflet with Sori 3.593163333333333 1.07459 6.08634 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.191726 0.0 0.460597 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.3036403333333335 0.290111 3.53086