condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.5104 0.0 19.5312 Primary Rachis 0.34878000000000003 0.0 1.04634 Secondary Rachis 4.461833333333334 0.0 13.3855 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.115517 0.0 0.346551