condition mean min max Sterile Leaflet 0.46071 0.0 1.38213 Fertile Leaflet with Sori 5.87895 3.88105 7.23482 Primary Rachis 0.08990366666666666 0.0 0.269711 Secondary Rachis 5.03175 1.47055 6.86175 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.08934866666666667 0.0 0.268046