condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.9017596666666665 0.388149 5.25927 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0248218 0.0 0.0744654 Root 0.2252543333333333 0.0 0.383688