condition mean min max Sterile Leaflet 1.6515309999999999 0.0 4.61142 Fertile Leaflet with Sori 1.0979853333333334 0.531946 1.59068 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.33339 0.0 0.624015 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0