condition mean min max Sterile Leaflet 3.662554 0.763412 5.19046 Fertile Leaflet with Sori 4.795676666666667 3.66005 5.6707 Primary Rachis 1.7139600000000002 1.35684 2.37801 Petiole 2.37369 1.31832 3.09996 Crozier 15.340633333333335 14.5813 16.8013 Rhizome 4.3324 3.58918 5.72933 Root 2.86714 2.25141 3.39055