condition mean min max Sterile Leaflet 8.548007666666667 0.0 25.1336 Fertile Leaflet with Sori 6.2032300000000005 0.0 17.1597 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.33405903333333337 0.0511101 0.517178 Petiole 0.0 0.0 0.0 Crozier 0.125623 0.0 0.376869 Root 0.0 0.0 0.0