A native annual forb locally excludes a closely related introduced species that co-occurs in oak-savanna habitat remnants, Johnson, 2020.

This dataset includes all data and code required to reproduce the analyses and results included in "Johnson JC and Williams JL, 2020, A native annual forb locally excludes a closely related introduced species that co-occurs in oak-savanna habitat remnants". The file "metadata.docx" outlines the use of each ".R" or ".Rmd" file for analyses and also provides context and explanation for each ".csv" data file. Data presented here correspond to seed counts collected from a competition density-gradient experiment, as well as field measures of plant abundance, population dynamics, and environmental conditions.