condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.034894 0.0 0.104682 Young Stem with Root 0.016396133333333333 0.0 0.0491884 Mature Stem with Root 6.64652 0.0 18.9047 Root 0.4681213333333333 0.0 1.17759