condition mean min max Sterile Leaflet 3.0186033333333335 1.54801 5.20934 Fertile Leaflet with Sori 1.1093709999999999 0.417053 1.67503 Primary Rachis 0.9555453333333334 0.0 2.52768 Petiole 1.1479893333333333 0.817638 1.5636 Crozier 0.48688 0.0 1.46064 Rhizome 0.65824 0.0 1.97472 Root 0.31697400000000003 0.0 0.950922