condition mean min max Sterile Leaflet 6.382043599999999 0.0609508 16.9028 Fertile Leaflet with Sori 1.3865233333333333 0.0 2.66113 Petiole 1.7513400000000001 0.0 2.88377 Rhizome 0.4232723333333333 0.116408 0.732494 Root 0.0 0.0 0.0