condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.2845 1.53583 4.51109 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0170367 0.0 0.0511101 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0