@article{gettys_werner_2002, title={Stokes aster}, volume={12}, number={1}, journal={HortTechnology}, author={Gettys, L. A. and Werner, D. J.}, year={2002}, pages={138–142} }
 @article{gettys_werner_2001, title={Genetic diversity and relatedness among cultivars of stokes aster}, volume={36}, number={7}, journal={HortScience}, author={Gettys, L. A. and Werner, D. J.}, year={2001}, pages={1323–1326} }