condition mean min max Sterile Leaflet 8.0405 0.0 24.1215 Fertile Leaflet with Sori 0.6422599999999999 0.0 1.92678 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