condition mean min max Sterile Leaflet 1.1170836666666666 0.470751 1.85307 Fertile Leaflet with Sori 2.3682906666666668 0.709126 5.40504 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.216054 0.0 0.648162 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0