condition mean min max Sterile Frond 2.5304466666666667 0.0 7.59134 Fertile Frond 1.1564233333333334 0.0 3.46927 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0