condition mean min max Sterile Leaflet 1.8489145333333334 0.0333636 3.76501 Fertile Leaflet with Sori 0.43015933333333334 0.355431 0.507558 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.377144 0.193604 0.584151 Root 0.1246766 0.0976478 0.175664