condition mean min max Sterile Leaflet 0.5855286666666667 0.274785 1.0859 Fertile Leaflet with Sori 1.146247 0.978981 1.32458 Primary Rachis 0.683385 0.229909 1.02341 Petiole 1.031504 0.484612 1.44254 Crozier 2.59703 1.58292 4.5026 Rhizome 3.9454866666666666 2.61218 6.25562 Root 4.31608 1.04955 6.2201