condition mean min max Sterile Frond 4.50719 0.0 12.2052 Fertile Frond 3.9465299999999996 0.0 10.8082 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.32305666666666666 0.0 0.519349 Root 1.00423 0.0 3.01269