Galactic chemical evolution models are presented that take into accoun
t several recent developments: (1) models of classical novae nucleosyn
thesis question the total amount of Li-7 produced by these systems; (2
) observations and models for lithium production in asymptotic giant b
ranch stars and the mass of the planetary nebula that they eject; (3)
Li-7 production from nu-process nucleosynthesis in Type II supernova e
xplosions. The best fitting models for the upper envelope of the obser
ved N(Li) as a function of [Fe/H] suggest that Type II supernovae and
intermediate-low mass stars each produce about 1/2 of the solar lithiu
m abundance, although fractions between 1/4 to 3/4 for each source are
not conclusively ruled out. The variance of these fractions primarily
reflect the uncertainties in the input nucleosynthesis.