condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.455505 0.0 0.762277 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.7218633333333333 0.0 2.16559 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 6.293193333333333 2.88052 9.71701