condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.618958 0.0 1.53039 Petiole 0.0 0.0 0.0 Crozier 0.10164533333333332 0.0 0.304936 Rhizome 0.893373 0.0 1.78769 Root 30.938313333333333 1.89054 56.0741