condition mean min max Sterile Leaflet 0.22438233333333335 0.0 0.673147 Fertile Leaflet with Sori 0.44037600000000005 0.020632 1.16724 Primary Rachis 0.0 0.0 0.0 Petiole 0.0069409 0.0 0.0208227 Crozier 6.04366 5.04387 6.74426 Rhizome 3.47985 2.16135 4.88057 Root 0.07247400000000001 0.0104584 0.145796