condition mean min max Sterile Leaflet 0.04271733333333333 0.0 0.128152 Fertile Leaflet with Sori 0.33637 0.0 0.712512 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.14520566666666665 0.0 0.435617 Root 3.80299 2.29242 4.96547