condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.040634333333333335 0.0 0.121903 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.022007299999999997 0.0 0.0660219 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 7.399896666666667 0.0 19.7663