condition mean min max Sterile Leaflet 4.6671000000000005 0.0 14.0013 Fertile Leaflet with Sori 2.96809 0.0 6.36674 Primary Rachis 1.5088205 0.0 4.44645 Secondary Rachis 3.6930266666666665 0.0 8.67776 Petiole 0.955557 0.0 2.67138 Crozier 3.0567 0.0 7.4431 Root 0.07110333333333334 0.0 0.112313