condition mean min max Sterile Frond 0.118298 0.0 0.354894 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.3292876666666667 0.0 0.987863 Mature Stem with Root 14.497523000000001 0.0 42.843 Root 5.3452866666666665 0.0 8.71326