condition mean min max Sterile Leaflet 3.8107466666666667 1.13122 7.71987 Fertile Leaflet with Sori 1.0450676666666667 0.140073 1.9422 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.110583 0.0 0.331749 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0