condition mean min max Sterile Leaflet 0.34863333333333335 0.0 1.0459 Fertile Leaflet with Sori 7.48145 0.0 20.3861 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.13322 0.0 3.39966 Petiole 0.17179999999999998 0.0 0.5154 Crozier 0.0 0.0 0.0 Root 0.059952 0.0 0.179856