condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 18.495126666666664 7.46308 34.6204 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.1272760000000002 0.199116 2.81741 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0