condition mean min max Sterile Leaflet 2.889806666666667 2.1307 3.28552 Fertile Leaflet with Sori 3.36946 3.12432 3.51609 Primary Rachis 6.5741933333333336 6.25933 7.12565 Petiole 6.63038 5.78888 7.53646 Crozier 6.3013 5.27228 7.30591 Rhizome 4.01226 3.54146 4.88949 Root 2.25304 1.11308 3.10155