condition mean min max Sterile Frond 0.1288391 0.0888293 0.170766 Fertile Frond 88.42353333333334 14.4153 236.282 Young Stem with Root 0.10283146666666666 0.0 0.233325 Mature Stem with Root 0.052406799999999996 0.0 0.123137 Root 0.040103 0.0 0.120309