condition mean min max Sterile Leaflet 4.110633333333333 0.0 12.3319 Fertile Leaflet with Sori 4.18766 0.0 9.49005 Primary Rachis 2.8011053333333336 0.103903 7.30761 Petiole 0.120531 0.0 0.361593 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0