condition mean min max Sterile Leaflet 0.097145 0.0 0.291435 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.29441966666666664 0.0 0.583568 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.03845 1.80886 11.0848