condition mean min max Sterile Leaflet 9.389343333333333 0.0 24.1451 Fertile Leaflet with Sori 3.2979149999999997 0.0 9.46506 Primary Rachis 0.261112 0.0 0.433802 Petiole 0.36483333333333334 0.0 1.0945 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0