condition mean min max Sterile Frond 2.0940543333333332 0.873354 4.41848 Fertile Frond 3.71973 2.21736 6.70693 Young Stem with Root 5.15968 1.46332 12.1034 Mature Stem with Root 3.99035 1.49965 8.37992 Root 1.9499620000000002 0.86922 4.03474