condition mean min max Sterile Frond 2.5892090000000003 0.500627 5.35864 Fertile Frond 5.535173333333334 1.02538 9.80406 Young Stem with Root 0.7713800000000001 0.0 2.31414 Mature Stem with Root 1.00854 0.0 1.94613 Root 5.376633333333333 0.0 16.1299