condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.431608333333333 0.122178 9.82358 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.01912583333333333 0.0 0.0573775 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0