condition mean min max Sterile Leaflet 0.4714953333333334 0.343478 0.673394 Fertile Leaflet with Sori 2.5193399999999997 1.29972 4.62904 Primary Rachis 1.2870219999999999 0.706106 1.65467 Petiole 1.63721 0.0 3.7463 Crozier 1.7131113333333334 0.992914 2.52678 Rhizome 0.6661886666666667 0.387228 0.968374 Root 0.7004480000000001 0.0 1.22635