condition mean min max Sterile Leaflet 4.770416666666667 3.79384 6.02626 Fertile Leaflet with Sori 4.07993 3.81598 4.25886 Primary Rachis 5.647583333333333 4.32454 6.57228 Petiole 5.56899 4.8022 6.90554 Crozier 6.553613333333334 6.25813 6.9924 Rhizome 7.0025699999999995 6.7836 7.26066 Root 9.76327 8.72268 10.5878