condition mean min max Sterile Frond 53.688266666666664 30.6412 85.943 Fertile Frond 37.3897 25.9399 54.8431 Young Stem with Root 9.94298 6.66466 16.1268 Mature Stem with Root 9.785023333333333 6.09595 13.3295 Root 4.46928 1.43984 9.57236