condition mean min max Sterile Leaflet 0.41752666666666666 0.0 1.25258 Fertile Leaflet with Sori 0.325069 0.0 0.646075 Primary Rachis 0.720759 0.342155 1.42104 Petiole 0.8486433333333333 0.0 1.3498 Crozier 7.71798 5.4623 10.5394 Rhizome 0.493256 0.0 0.836333 Root 0.0 0.0 0.0