condition mean min max Sterile Leaflet 0.030343233333333334 0.0 0.0592489 Fertile Leaflet with Sori 1.8764866666666666 1.01714 2.85933 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0