condition mean min max Sterile Leaflet 2.6367766666666665 1.84116 4.07245 Fertile Leaflet with Sori 1.2074099999999999 1.05646 1.41357 Primary Rachis 0.5599903333333334 0.25757 0.852085 Secondary Rachis 0.519631 0.409102 0.59956 Petiole 0.26077079999999997 0.0154334 0.436992 Crozier 0.511972 0.429684 0.570085 Root 0.23832676666666666 0.0374213 0.381081