condition mean min max Sterile Leaflet 0.3500816666666667 0.116172 0.606195 Fertile Leaflet with Sori 2.553201666666667 0.230147 6.45463 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0329749 0.0 0.0989247 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0