condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.1066446666666665 0.349863 8.52041 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0500937 0.0 0.0753695 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.08228 0.0 0.24684