condition mean min max Sterile Leaflet 0.0019976399999999997 0.0 0.00599292 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.002171206666666667 0.0 0.00651362 Crozier 12.4182 7.13 16.457 Root 0.03741066666666667 0.0 0.112232