condition mean min max Sterile Leaflet 2.48252 0.0 7.44756 Fertile Leaflet with Sori 0.05751933333333333 0.0 0.172558 Primary Rachis 0.0090395 0.0 0.0271185 Petiole 0.0181242 0.0 0.0543726 Crozier 16.2787 11.5383 18.9972 Rhizome 19.849616666666666 0.0 59.0318 Root 0.035239 0.0 0.105717