condition mean min max Sterile Leaflet 6.139026666666667 0.0 13.0579 Fertile Leaflet with Sori 1.616073 0.404939 2.40687 Primary Rachis 0.710342 0.329296 1.39299 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.8544633333333334 0.0 2.56339