condition mean min max Sterile Leaflet 0.013354699999999999 0.0 0.0400641 Fertile Leaflet with Sori 2.397952666666667 0.256042 6.57667 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