condition mean min max Sterile Leaflet 0.6460453333333334 0.334354 1.26395 Fertile Leaflet with Sori 2.8084116666666668 0.878535 5.91157 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0