condition mean min max Sterile Leaflet 1.779777 0.384901 3.54356 Fertile Leaflet with Sori 0.968099 0.184357 1.62789 Primary Rachis 1.6670800000000001 1.59661 1.76049 Secondary Rachis 1.293116 0.997008 1.82747 Petiole 2.6191233333333335 1.54214 3.35536 Crozier 8.268156666666666 7.11828 9.67441 Root 6.16252 5.48267 6.65947