condition mean min max Sterile Leaflet 0.7020143333333333 0.0 1.78678 Fertile Leaflet with Sori 4.269080000000001 2.08243 6.88137 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10952633333333334 0.0 0.328579 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0