condition mean min max Sterile Leaflet 3.2081663333333332 0.545319 6.88734 Fertile Leaflet with Sori 2.7542633333333337 0.0 8.26279 Petiole 0.06019733333333333 0.0 0.180592 Crozier 0.48120999999999997 0.0 1.44363 Rhizome 0.21476499999999998 0.0 0.644295 Root 0.059470999999999996 0.0 0.178413