condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.05242886666666667 0.0 0.116469 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 1.7050205 0.0311465 4.8105 Root 7.848784333333333 0.767283 18.2855