condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0185455 0.0 0.0556365 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.183558 0.0 0.550674 Root 3.9896599999999998 0.0 9.95271