condition mean min max Sterile Leaflet 7.4275166666666665 0.0 21.7552 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.04629113333333333 0.0 0.12368 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0