condition mean min max Sterile Leaflet 0.253803 0.153348 0.396492 Fertile Leaflet with Sori 13.400244333333333 0.300133 21.2541 Petiole 7.32862 0.24398 13.4834 Crozier 8.932219333333332 0.429006 25.9075 Rhizome 2.4717735 0.0661405 4.40552 Root 4.270365333333333 0.581136 6.2346