condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.3442973333333335 0.307002 11.8341 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1283049 0.0 0.321111 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.22514 0.161917 0.280146