condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.4491333333333334 0.0 4.3474 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.52717 1.59256 5.78278 Root 0.3767433333333334 0.0 1.13023