condition mean min max Sterile Leaflet 0.241494 0.155385 0.41351 Fertile Leaflet with Sori 0.167068 0.101218 0.297687 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.2614317333333333 0.0807792 0.376536 Rhizome 0.4291319333333334 0.0256988 0.870419 Root 11.510413333333334 7.47881 19.4523