condition mean min max Sterile Leaflet 0.212778 0.0 0.471176 Fertile Leaflet with Sori 1.9089066666666665 0.81136 3.72543 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.137596 0.0 0.239543 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0