condition mean min max Sterile Frond 1.3735023333333334 0.0 3.91697 Fertile Frond 2.6054996666666668 0.0 7.34074 Young Stem with Root 0.070863 0.0 0.212589 Mature Stem with Root 0.0 0.0 0.0 Root 0.269159 0.0 0.807477