condition mean min max Sterile Leaflet 0.07912266666666666 0.0 0.237368 Fertile Leaflet with Sori 2.009756 0.771698 3.41799 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.081077 0.0 0.243231 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0