condition mean min max Sterile Leaflet 0.03990666666666667 0.0 0.11972 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0270143 0.0 0.0810429 Crozier 0.0248985 0.0 0.0746955 Rhizome 0.165159 0.0 0.495477 Root 7.969456666666667 2.03635 18.0213