condition mean min max Sterile Leaflet 0.18900866666666666 0.0 0.284259 Fertile Leaflet with Sori 0.2680726666666667 0.0 0.462901 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 11.991104 0.550412 19.4239