condition mean min max Sterile Leaflet 0.6670003333333333 0.0 1.63004 Fertile Leaflet with Sori 4.272706666666666 4.13369 4.35958 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.69968 0.0 1.07405 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.41916 0.0 1.25748