1. Ackerman J. D. (1989) Biomechanical aspects of submarine pollination in Zostera marina L. Doctoral Dissertation. Cornell University, Ithaca.
2. Ackerman J. D. (1993) Pollen germination and pollen tube growth in the marine angiosperm, Zostera marina L. Aquat. Bot. 46: 189–202.
3. Ackerman J. D. (1995) Convergence of filiform pollen morphologies in seagrasses: Functional mechanisms. Evol. Ecol. 9: 139–153.
4. Ackerman J. D. (1997a) Submarine pollination in the marine angiosperm, Zostera marina: Part I. The influence of floral morphology on fluid flow. Amer. J. Bot. 84: 1099–1109.
5. Ackerman J. D. (1997b) Submarine pollination in the marine angiosperm, Zostera marina: Part II. Pollen transport in flow fields and capture by stigmas. Amer. J. Bot. 84: 1110–1119.