Stinson, Kristina A., Albertine, Jennifer M., Hancock, Laura M., Seidler, Tristram G., and Rogers, Christine A. Northern ragweed ecotypes flower earlier and longer in response to elevated CO2: what are you sneezing at?. Retrieved from https://par.nsf.gov/biblio/10389646. Oecologia 182.2 Web. doi:10.1007/s00442-016-3670-x.

Stinson, Kristina A., Albertine, Jennifer M., Hancock, Laura M., Seidler, Tristram G., & Rogers, Christine A. Northern ragweed ecotypes flower earlier and longer in response to elevated CO2: what are you sneezing at?. Oecologia, 182 (2). Retrieved from https://par.nsf.gov/biblio/10389646. https://doi.org/10.1007/s00442-016-3670-x

Stinson, Kristina A., Albertine, Jennifer M., Hancock, Laura M., Seidler, Tristram G., and Rogers, Christine A. "Northern ragweed ecotypes flower earlier and longer in response to elevated CO2: what are you sneezing at?". Oecologia 182 (2). Country unknown/Code not available. https://doi.org/10.1007/s00442-016-3670-x. https://par.nsf.gov/biblio/10389646.

@article{osti_10389646,
place = {Country unknown/Code not available}, title = {Northern ragweed ecotypes flower earlier and longer in response to elevated CO2: what are you sneezing at?}, url = {https://par.nsf.gov/biblio/10389646}, DOI = {10.1007/s00442-016-3670-x}, abstractNote = {}, journal = {Oecologia}, volume = {182}, number = {2}, author = {Stinson, Kristina A. and Albertine, Jennifer M. and Hancock, Laura M. and Seidler, Tristram G. and Rogers, Christine A.}, }