condition mean min max Sterile Leaflet 4.24571 1.97433 8.43269 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.29739066666666664 0.0 0.892172 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0