condition mean min max Sterile Leaflet 0.006606233333333334 0.0 0.0198187 Fertile Leaflet with Sori 0.0 0.0 0.0 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 2.2025303333333333 0.0 5.98322