condition mean min max Sterile Leaflet 8.006156666666666 7.10159 8.87782 Fertile Leaflet with Sori 13.331736666666666 8.71211 18.5726 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0