condition mean min max Sterile Leaflet 0.10749 0.0 0.172431 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.189602 0.0 0.427398 Root 7.22336 0.0 18.5446