condition mean min max Sterile Leaflet 2.296237 0.900871 3.67907 Fertile Leaflet with Sori 0.635852 0.0 0.987025 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 0.14360163333333334 0.0 0.35976