condition mean min max Sterile Frond 0.03444966666666666 0.0 0.103349 Fertile Frond 1.4918363333333333 0.93272 2.56953 Young Stem with Root 4.36741 1.07152 6.07785 Mature Stem with Root 9.933800000000002 2.72 16.1457 Root 32.1731 27.6612 34.4621