condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 13.128633333333333 11.8879 14.8388 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.037757 0.0 0.113271 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.07590466666666666 0.0 0.227714