condition mean min max Sterile Frond 13.441770000000002 7.59921 21.638 Fertile Frond 15.398666666666667 10.4024 20.0186 Young Stem with Root 13.9351 10.4231 16.4854 Mature Stem with Root 15.002930000000001 8.18579 25.0102 Root 13.771740000000001 8.15132 19.6672