condition mean min max Sterile Frond 1.9101936666666666 0.0 5.43366 Fertile Frond 3.3569560000000003 0.173109 9.00084 Young Stem with Root 2.4687766666666664 0.0 7.40633 Mature Stem with Root 0.0 0.0 0.0 Root 2.861336 0.0 8.3736