condition mean min max Sterile Frond 27.672733333333333 17.3123 33.0657 Fertile Frond 19.395400000000002 11.441 25.6305 Young Stem with Root 7.20235 4.50681 9.89299 Mature Stem with Root 10.368376666666666 4.83103 13.1421 Root 4.05399 2.44833 6.34333