condition mean min max Sterile Leaflet 18.436980000000002 1.12544 34.3881 Fertile Leaflet with Sori 4.87013 2.00572 8.96021 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.4628266666666667 0.0 3.32229 Rhizome 0.5317703333333333 0.0 1.28091 Root 0.0 0.0 0.0