condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.025847099999999998 0.0 0.0775413 Young Stem with Root 0.14109866666666668 0.0 0.423296 Mature Stem with Root 2.4870366666666666 0.0 7.46111 Root 0.203883 0.0 0.611649