condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.5001200000000003 0.0 6.00389 Petiole 3.64303 0.0 6.58142 Crozier 3.2279400000000003 0.0 9.68382 Rhizome 2.9737733333333334 0.0 7.11309 Root 2.6368133333333335 0.0 4.67082