condition mean min max Sterile Leaflet 20.7587 0.0 44.8333 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0108008 0.0 0.0324024 Petiole 0.010726399999999999 0.0 0.0321792 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0