condition mean min max Sterile Frond 0.3896443333333333 0.28706 0.48297 Fertile Frond 1.36066 0.0 2.51856 Young Stem with Root 3.5747833333333334 1.11304 5.45575 Mature Stem with Root 6.901050000000001 5.43755 8.53442 Root 1.5584689999999999 0.661897 2.88631