condition mean min max Sterile Leaflet 2.3335299999999997 0.0 4.37318 Fertile Leaflet with Sori 0.8529233333333334 0.0 2.55877 Primary Rachis 0.194959 0.0 0.584877 Petiole 0.11716333333333334 0.0 0.35149 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0