condition mean min max Sterile Frond 0.516431 0.0 0.919755 Fertile Frond 10.45149 0.0 27.9623 Young Stem with Root 0.0124622 0.0 0.0373866 Mature Stem with Root 0.6513816666666666 0.0 1.005 Root 0.034334333333333335 0.0 0.103003