condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.32752133333333333 0.0 0.982564 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.547113 0.407319 3.63545 Root 4.91951 0.0 13.4266