condition mean min max Sterile Leaflet 3.49905 1.9121 6.37146 Fertile Leaflet with Sori 6.59307 3.99611 10.1943 Primary Rachis 0.3117876666666667 0.0 0.935363 Petiole 0.139445 0.0 0.418335 Crozier 0.5032193333333334 0.0 1.10714 Rhizome 0.0 0.0 0.0 Root 0.303043 0.0 0.909129