condition mean min max Sterile Leaflet 0.8274292333333333 0.0556347 1.97989 Fertile Leaflet with Sori 4.24688 1.70935 8.36672 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.28301766666666667 0.114823 0.520317 Petiole 0.0 0.0 0.0 Crozier 0.040095 0.0 0.120285 Root 0.104995 0.0 0.314985