condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.0691800000000002 0.0 3.47481 Petiole 4.278883333333333 0.0 8.10938 Crozier 2.0433499999999998 0.0 6.13005 Rhizome 3.4937533333333337 0.0 5.84482 Root 3.5828699999999998 0.0 6.86651