condition mean min max Sterile Leaflet 0.588059 0.0 1.16481 Fertile Leaflet with Sori 1.4817313333333333 0.278581 3.88256 Petiole 0.0 0.0 0.0 Crozier 5.974996666666667 3.86172 9.912 Rhizome 0.5320119999999999 0.264439 1.04314 Root 1.695822 0.285096 2.89458