condition mean min max Sterile Leaflet 0.5110033333333334 0.0 1.53301 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.07804266666666666 0.0 0.234128 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.55517 0.0 15.4167