condition mean min max Sterile Frond 0.14694833333333332 0.0 0.440845 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.082668 0.382764 6.84518 Root 0.301394 0.0 0.62376