condition mean min max Sterile Leaflet 1.1580190000000001 0.0 2.87415 Fertile Leaflet with Sori 0.3965033333333334 0.0 1.18951 Primary Rachis 3.2230373333333335 0.0 9.09007 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