condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.783853333333333 1.10691 20.2095 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 0.0 0.0 0.0