condition mean min max Sterile Leaflet 0.4777883333333333 0.0 1.04903 Fertile Leaflet with Sori 10.66103 2.59165 24.7874 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.7566343333333333 0.0 1.93198 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0