condition mean min max Sterile Leaflet 5.743021633333334 0.0 17.1365 Fertile Leaflet with Sori 1.1391040000000001 0.0 3.23558 Primary Rachis 0.0 0.0 0.0 Petiole 0.028357866666666665 0.0 0.0850736 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0