condition mean min max Sterile Leaflet 0.09125499999999999 0.0 0.273765 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.011644666666666666 0.0 0.034934 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.048317066666666665 0.0 0.112215 Root 18.18231 1.16433 29.1857