Supplement 1. Data files and R-scripts for statistical analysis and integral projection modeling described in the main text.

File List Establishment.and.survival.csv (MD5: a2d7c17a4976be7762b43a815126fdbe) Reproduction 2006&amp;2007.csv (MD5: 54ce76bd982cb1e15162c40ea7276aed) July 2007 census and biomass2 edited.csv (MD5: 38a41af122fb6b90dfb723b3b740a6e0) Tall Thistle 2006 Updated Dec 2010.csv (MD5: 5dd859826ace0e751cd51c10bc4d4c0f) Tall Thistle 2007 Updated Dec 2010.csv (MD5: 0de9c392b393e594a49c65a3f3118235) IPM statistics bolting.R (MD5: dc8c3868f1e24ad0446c0266a529c361) IPM Statistics growth.R (MD5: 21260c8b65c0606e110207c2060800d9) IPM statistics recruitment.R (MD5: 6914a0c0c892f76c0977c24a9a649eea) IPM statistics initial size.R (MD5: cff5c4ee3d3c58ff056d3e8aa390f7c1) IPM statistics seed production.R (MD5: 1de9453716f25b3d8f5ae4b276237050) IPM statistics survival.R (MD5: 4b93fdf09019f572f0e88715fba0482d) IPM.Parameters.csv (MD5: d3ab447e0c4ddc1ae12d89af3fb5d5d9) IPM model and bootstrap.R (MD5: 5e92d9d9072b67f4ca9e1e20538f99b9) Description For the statistical analysis the file “IPM statistics growth.R” needs to be executed first. The statistical results are saved in the file “IPM.Parameters.csv”, allowing the execution of the “IPM model and bootstrap.R”-file without running the statistics scripts first. Description of variables: <i>Establishment and Survival.csv</i> -- TABLE: Please see in attached file. -- <i>Reproduction 2006&amp;2007</i> -- TABLE: Please see in attached file. -- <i>July 2007 census and biomass2 edited</i> -- TABLE: Please see in attached file. -- <br> <i>Tall thistle 2006 Updated Dec 2010</i> <i>Tall thistle 2007Updated Dec 2010 </i> -- TABLE: Please see in attached file. --