condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.571023333333333 1.07506 9.61681 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.126385 0.0 0.20989 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.053321 0.0 0.159963