condition mean min max Sterile Leaflet 0.15171 0.0 0.234315 Fertile Leaflet with Sori 2.37963 1.40802 3.18652 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.042069 0.22221 2.42204 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0