@article{koop_horvitz_2005, title={Projection matrix analysis of the demography of an invasive, nonnative shrub (Ardisia elliptica)}, volume={86}, number={10}, journal={Ecology (Brooklyn, New York, N.Y.)}, author={Koop, A. L. and Horvitz, C. C.}, year={2005}, pages={2661–2672} }
 @article{koop_2004, title={Differential seed mortality among habitats limits the distribution of the invasive non-native shrub Ardisia elliptica}, volume={172}, ISSN={["1385-0237"]}, DOI={10.1023/B:VEGE.0000026343.85382.a4}, number={2}, journal={PLANT ECOLOGY}, author={Koop, AL}, year={2004}, month={Jun}, pages={237–249} }