condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.175157 0.0 8.90878 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.5154143333333332 0.569033 2.89247 Root 1.6248673333333332 0.543242 3.15371