condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.2262603333333333 0.0 0.678781 Rhizome 3.0039320000000003 0.269376 6.48514 Root 0.0 0.0 0.0