na INLIS000000000017435 Ind 0010-1118017435 Observations on the reproductive ecology of Thalassia testudinum (Hydrocharitaceae) II. leaf width as a secondary sex character DURAKO, MICHAEL J. Durajo, Michael J.; Moffler, Mark D. Amsterdam Elsevier ills.refs.Repr.: Aquatic Botany 21, (1985): 265-275 582.539.3-116.2 HYDROCHARITACEAE FROG BIT mfn-19267