condition mean min max Sterile Frond 3.0197933333333338 0.0 9.05938 Fertile Frond 3.742566666666667 0.0 11.2277 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