condition mean min max Sterile Leaflet 52.738 47.842 60.5505 Fertile Leaflet with Sori 57.748 43.9879 77.0183 Primary Rachis 27.0774 23.0034 33.0912 Secondary Rachis 30.596633333333333 24.0032 40.5999 Petiole 33.3818 28.3887 40.5708 Crozier 43.4919 39.6335 47.4302 Root 29.997433333333333 27.6427 34.247