condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.14600223333333331 0.0 0.352521 Mature Stem with Root 0.058217 0.0 0.174651 Root 6.578833333333333 0.0 19.7365