condition mean min max Sterile Leaflet 2.20441 0.0 5.54289 Fertile Leaflet with Sori 0.16764333333333334 0.0 0.50293 Primary Rachis 0.0 0.0 0.0 Petiole 0.15007 0.0 0.45021 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0