condition mean min max Sterile Leaflet 0.20052099999999998 0.0 0.601563 Fertile Leaflet with Sori 49.15159333333333 7.19788 126.39 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 0.0 0.0 0.0