condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.12563066666666667 0.0 0.376892 Crozier 1.6038223333333335 0.360968 3.64068 Rhizome 6.19533 1.28593 12.2661 Root 0.0 0.0 0.0