condition mean min max Sterile Leaflet 5.880850000000001 1.36271 13.0463 Fertile Leaflet with Sori 4.462756666666667 1.34267 9.62841 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 4.80832 3.72393 6.89437 Rhizome 0.092064 0.0 0.276192 Root 0.239996 0.0 0.719988