condition mean min max Sterile Leaflet 0.18363 0.0 0.279576 Fertile Leaflet with Sori 20.87248 9.73604 38.7622 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.9286266666666667 0.424012 1.67808 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.5392089999999999 0.0 1.37787