condition mean min max Sterile Leaflet 1.8281466666666668 0.0 4.27212 Fertile Leaflet with Sori 0.055487 0.0 0.166461 Primary Rachis 0.0221925 0.0 0.0665775 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.09564833333333334 0.0 0.286945