condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.197027 0.0 0.397781 Young Stem with Root 0.702264 0.358459 1.02511 Mature Stem with Root 2.113729666666667 0.0 6.1626 Root 84.00560366666666 0.0 251.831