condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.12866033333333335 0.0 0.385981 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11596000000000001 0.0 0.34788 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.120433333333334 2.78819 6.95811