condition mean min max Sterile Frond 20.939433333333334 15.9388 25.6225 Fertile Frond 25.3397 17.4269 41.1297 Young Stem with Root 26.7073 18.5266 37.0247 Mature Stem with Root 17.750700000000002 12.8138 24.106 Root 11.030056666666667 8.22607 15.1408