condition mean min max Sterile Leaflet 0.414941 0.0 0.79783 Fertile Leaflet with Sori 0.85174 0.0 1.69476 Primary Rachis 2.3074399999999997 2.0972 2.60281 Petiole 1.59192 1.0945 2.41787 Crozier 0.52222 0.0 1.56666 Rhizome 1.72501 1.33124 2.36729 Root 0.54338 0.0 1.63014