condition mean min max Sterile Leaflet 12.299705333333334 0.116616 26.6896 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.060695533333333336 0.0 0.0921714 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0