condition mean min max Sterile Leaflet 0.7719493333333334 0.180948 1.13221 Fertile Leaflet with Sori 5.63141 1.77066 8.63373 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0