condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 21.59908 0.36959 61.8419 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 0.037368 0.0 0.112104