condition mean min max Sterile Leaflet 0.043572 0.0 0.130716 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 0.023448300000000002 0.0 0.0703449 Rhizome 0.0 0.0 0.0 Root 3.5310766666666664 2.636 4.42869