condition mean min max Sterile Leaflet 5.182296666666667 1.63509 7.59433 Fertile Leaflet with Sori 6.065790000000001 3.49695 10.4547 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.99464 1.11015 6.95519 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0