condition mean min max Sterile Leaflet 0.8397483333333333 0.303875 1.20345 Fertile Leaflet with Sori 0.520492 0.428783 0.682886 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.850184 0.184239 4.67316 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 9.598366666666667 0.0 28.7951