condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.7937433333333335 2.2506 5.36942 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.027934533333333334 0.0 0.0635648 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0