condition mean min max Sterile Frond 0.32310333333333335 0.0 0.96931 Fertile Frond 0.818602 0.0 1.96513 Young Stem with Root 0.13301866666666667 0.0 0.399056 Mature Stem with Root 16.09768 3.59857 41.0286 Root 5.10711 1.29115 9.59042