condition mean min max Sterile Frond 1.9849203333333332 0.115244 5.2597 Fertile Frond 0.3630466666666667 0.0 1.08914 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