condition mean min max Sterile Leaflet 0.0921898 0.0 0.184579 Fertile Leaflet with Sori 1.9856166666666666 0.2526 4.31464 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1729966 0.047494 0.38288 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.03853466666666667 0.0 0.115604