condition mean min max Sterile Leaflet 2.9785333333333335 0.0 8.28894 Fertile Leaflet with Sori 0.3643173333333333 0.0 0.561194 Primary Rachis 0.038497500000000004 0.0 0.0637284 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0