condition mean min max Sterile Leaflet 4.752963333333334 0.0 13.2544 Fertile Leaflet with Sori 0.602537 0.0 1.35989 Primary Rachis 1.3610066666666667 0.0 4.08302 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.4799 0.0 1.4397