condition mean min max Sterile Leaflet 10.262693 0.364839 26.5496 Fertile Leaflet with Sori 8.226421 0.0 23.6808 Primary Rachis 12.568666804600667 0.0 37.706 Petiole 0.7587513333333333 0.367577 1.16757 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0