condition mean min max Sterile Leaflet 2.9624866666666665 2.1803 4.35097 Fertile Leaflet with Sori 1.6634499999999999 0.0 2.93444 Petiole 0.0 0.0 0.0 Crozier 0.07538066666666667 0.0 0.226142 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0