condition mean min max Sterile Frond 7.98559 5.75522 9.98764 Fertile Frond 7.21796 5.45646 9.2289 Young Stem with Root 5.3523000000000005 2.13857 11.0288 Mature Stem with Root 7.83185 5.36943 12.5456 Root 3.5278133333333335 2.14527 5.69937