condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.41769 0.0 2.60173 Petiole 0.11797433333333333 0.0 0.353923 Crozier 0.0 0.0 0.0 Rhizome 1.251443 0.837589 1.55764 Root 5.368303333333333 3.44967 8.29018