condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.11868366666666667 0.0 0.356051 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.48647633333333334 0.0 1.1267 Rhizome 0.0 0.0 0.0 Root 23.7709 6.07044 57.4304