condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 12.712433333333333 10.5444 15.7564 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