condition mean min max Sterile Leaflet 4.438246666666667 2.18393 7.04488 Fertile Leaflet with Sori 5.595823333333334 5.18876 6.11973 Primary Rachis 6.2822466666666665 5.8731 7.04985 Petiole 6.6079799999999995 5.15056 8.95871 Crozier 6.35405 4.84324 8.10719 Rhizome 5.53168 4.07468 6.86883 Root 6.53357 4.99171 7.33204