Light-dependent associations of germination timing with subsequent life-history traits and maternal habitats for 476 angiosperm species of the easter Tibetan Plateau grasslands Chunhui Zhang, Kun Liu, Wei Qi, Zhen Ma and Guozhen Du. Volume 24, Issue 3, pages 207-215, September 2014.
Additionally, a second paper just cam out this month in New Phytologist that utilized this same rich dataset. Full disclosure: I and several other former lab mates are coauthors on this one.
The community-level effect of light on germination timing in relation to seed mass: a source of regeneration niche differentiation. Chunhui Zhang, Charles Willis, Liana T. Burghardt, Wei Qi, Kun Liu, Paulo Filho, Zhen Ma, and Guozhen Du.New Phytologist. 2014. , Issue 3, pages 496–506, November 2014.
The Burghardt Lab 