condition mean min max Sterile Leaflet 0.21008433333333332 0.113475 0.321627 Fertile Leaflet with Sori 0.035043 0.0 0.105129 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.5611026666666666 0.0 1.35401 Root 5.8600334 0.0802212 16.8371