condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.22939833333333334 0.0 0.688195 Young Stem with Root 0.070863 0.0 0.212589 Mature Stem with Root 4.175226666666666 0.0 11.3669 Root 1.532586 0.605608 2.6934