condition mean min max Sterile Frond 0.07886 0.0 0.23658 Fertile Frond 0.06443333333333333 0.0 0.1933 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 11.491161 0.171183 30.6424 Root 4.018963333333334 0.0 9.60673