condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.5144066666666665 0.180589 9.9226 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.014275733333333334 0.0 0.0428272 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0