condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.3674116666666665 0.0 9.53779 Primary Rachis 0.03289963333333334 0.0 0.0986989 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.042074 0.0 0.126222 Root 0.011280233333333334 0.0 0.0338407