condition mean min max Sterile Frond 7.427465333333333 0.298816 17.4427 Fertile Frond 8.694536666666668 1.76479 21.632 Young Stem with Root 5.036948 0.933144 11.9512 Mature Stem with Root 9.52005 0.0 27.1522 Root 5.894911 0.590033 16.2309