condition mean min max Sterile Leaflet 1.9554233333333333 1.47092 2.38168 Fertile Leaflet with Sori 1.6641700000000001 1.24258 2.18555 Primary Rachis 1.40495 1.01011 1.80813 Secondary Rachis 2.21446 1.41941 2.96759 Petiole 2.0471033333333333 1.01378 3.43676 Crozier 3.07974 2.23108 4.53519 Root 1.4262480000000002 0.921304 2.08226